How are electrically neutral atoms different than they form

Answers

Answer 1
A normal atom has a neutral charge with equal numbers of positive and negative particles. That means an atom with a neutral charge is one where the number of electrons is equal to the atomic number. Ions are atoms with extra electrons or missing electrons.
Answer 2

An atom is said to be electrically neutral if it has an equal amount of protons and electrons. On the other hand, an atom is electrically charged if its protons and electrons are not distributed evenly.

What are neutral atoms?

Neutral atoms are defined as when an atom has an equal amount of protons and electrons, it also has an equal number of electric charges, both positive and negative. As a result, every element in the periodic table has a neutral atomic structure.

Normal atoms have an equal amount of positive and negative particles and a neutral charge. Accordingly, an atom with a neutral charge is one in which the atomic number is matched by the number of electrons.

Thus, an atom is said to be electrically neutral if it has an equal amount of protons and electrons. On the other hand, an atom is electrically charged if its protons and electrons are not distributed evenly.

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Related Questions

PLEASE HELP!

Why do atoms share electrons in covalent bonds?

A. to attain a noble-gas electron configuration

B. to become more polar

C. to become ions and attract each other

D. to increase their atomic numbers​

Answers

Answer:

Answer Option A) To attain a noble-gas electron configuration.

Explanation:

Correct answer from test

Taking into account the definition of covalent bond and octet rule, the correct answer is option A.  Atoms share electrons in covalent bonds to achieve a noble gas electron configuration.

The covalent bond is the chemical bond that occurs between atoms of non-metallic elements. These atoms have many electrons at their outermost level and have a tendency to share them to acquire the stability of the noble gas electronic structure. In this way a molecule is formed.

The tendency of the elements to reach a stable configuration is known as the octet rule. For this, the octet rule explains that there must be eight electrons in their last energy levels, thus acquiring the structure of a noble gas.

So, a covalent bond is a force that joins two atoms of non-metallic elements to form a molecule in order to comply with the octet rule.

Finally, the correct answer is option A.  Atoms share electrons in covalent bonds to achieve a noble gas electron configuration.

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Do it for 60 points pleaseee

Answers

Answer:

period number

Answer:

Period number

Explanation:

Period number is the answer.

Hope this is right!

Is burning the glass plate is physical or chemical change?

Answers

This is a physical change because you are burning the glass plate and that changes the plate. I hope this helps. HAVE A GREAT DAY
This is a chemical reaction because stour adding heat, you are chemically doing something, physical is when you point out the obvious using your five senses. Touching it to feel how soft on object is, or what colour (vision). You are adding heat which is chemical.

use the Kinetic Theory to explain the following. when you come home from school and open the door you can smell your tea being cooked ​

Answers

Answer:

Tea is getting hot on the stove.  

2) As the tea and water gets hot, some combined molecules of tea and water will escape from the teapot.  

3) Those escaped molecules now have the entire free space of the entire room to float around in, which they do (because they have high kinetic energy due to being heated).  

4) Hence, in this scenario, your nose will detect a few of those molecules and you smell hot or warm tea.  

5) Cold tea would be a different story. Cold beverages like cold tea do not have the kinetic energy where molecules can 'break free' of the surrounding container. Someone could be sitting in the room having a can or bottle of cold tea and you would not notice that when you walked in the door.

Describe cycling or movement of water throughout earths spheres. Explain why the process is considered a cycle. Write a complete paragraph (five complete sentences minimum) in order to receive full credit for this activity

Answers

Answer:

This process is considered as a cycle because it continues and dosent stops. This process includes the evaporation of watet from earth surface due to heat.this water is converted in to water vapours. After reaching clouds it condences back. When the clouds become heavy with watef it falls back on earth as rain.and the process repeats.

Explanation:

4. Calculate the energy (E) and wavelength (1) of a photon of light with a frequency of
6.165 x 1014 Hz.
PLEASE HELP!!

Answers

Answer: E= 4.085 x 10^-19 J ; Wavelength= 4.862 x 10^-7 m

Explanation:

Sorry for the messy work, but I hope this helps.

Remember:

Plancks constant (h)=  6.626x10^-34 Js

Speed of light (c) = 2.998 x 10^8 ms^-1

What I did:

I found the energy first with the given frequency. Don't forget to convert your units to s^-1! They are actually the same, you dont need to do math for that conversion, just a simple Hz to s^-1.

For the wavelength, I multiplied plancks constant (h) and speed of light (c) together. With that number I divided by the energy found which 4.085 x 10^-19J. Also, be sure to cross off the units because it can get very confusing.  

The energy of the photon is 4.08 x 10⁻¹J

The wavelength of the photon is 2.58 x 10⁻ m

The given parameters;

frequency of the photon, f = 6.165 x 10¹⁴ Hz

The energy of the photon is calculated as;

E = hf

where;

h is Planck's constant = 6.626 x 10⁻³⁴ Js

E = (6.626 x 10⁻³⁴)( 6.165 x 10¹⁴)

E = 4.08 x 10⁻¹⁹ J

The wavelength of the photon is calculated as;

v = fλ

where;

v is the speed of light = 3 x 10⁸ m/s

[tex]\lambda = \frac{v}{f} \\\\\lambda = \frac{3\times 10^8}{1.165\times 10^{14}} \\\\\lambda = 2.58 \times 10^{-6} \ m[/tex]

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How quickly an object
accelerates is directly related
to the_____________
of the object
and the size of the___________
applied to it.

Answers

Answer:

How quickly an object  accelerates is directly related  to the Mass of the object  and the size of the Force applied to it.

Explanation:

Acceleration is directly proportional to force and inversely proportional to mass. This means that if you get pushed, the harder you are pushed, the faster you'll move (accelerate).

What is the relationship between force and acceleration?

Newton's second law shows that there is a direct relationship between force and acceleration. The greater the force that is applied to an object of a given mass, the more the object will accelerate. For example, doubling the force on the object doubles its acceleration.

What is the relationship between mass and acceleration?

The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

ionic compound of potassium fluoride.​

Answers

Answer:

Yes

Explanation:

Im not sure about the question but potassium fluoride, KF is an ionic compound.

explain the relationships that are present between the frequency, wavelength, and amplitude of a wave in 3 to 5 sentences. ​

Answers

Answer:

Wavelength refers to the length of a wave from one peak to the next. The amplitude or height of a wave is measured from the peak to the trough. The wavelength is measured from peak to peak. Wavelength is directly related to the frequency of a given wave form.

What happens in the nucleus when a lithium atom becomes an ion

Answers

Answer:

An atom that gains a negative electron, it becomes a negative ion. ... A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge.

Answer:

This means a Lithium atom formed into a Lithium ion by losing one of its electrons. It has three electrons and three protons to begin with. So when it loses or gains one the amount isnt equal, that is why it becomes an ion. If it gained electrons it would have a negative charge on the nulcleus, though if it lost electrons it would have a positivec charge. Hope this helped!!

How many moles contain 3.1 x 1022 molecules of H2O

Answers

Answer:

The answer is 0.051 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

N = 3.1 × 10²² molecules of H2O

We have

[tex]n = \frac{3.1 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.05149501...[/tex]

We have the final answer as

0.051 moles

Hope this helps you

which of the following do all living organisms have in common ?​

Answers

Does this question have answers choices or something?

list in the following elements in order of smallest to largest atomic radius. F, Cl, Br, l

And which has a larger atomic radius?

Answers

Answer:

I

Explanation:

I >Br >CL >F

The atomic radius in periods from left to right decreases.

Jack has a rock.the rock has a mass of 14g and a volume of 2cm^3.what is the density of the rock?

1
SEE ANSWER

ADD ANSWER

Answers

Answer:

7

g

c

m

3

Explanation:

medicine some chemical components (chemical formula)​

Answers

Answer:

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

Compounds used as medicines are most often organic compounds, which are often divided into the broad classes of small organic molecules (e.g., atorvastatin, fluticasone, clopidogrel) and "biologics" (infliximab, erythropoietin, insulin glargine), the latter of which are most often medicinal preparations of proteins

Explanation:

Help pleaI’ll give brainliest

Which element has the
greatest number of valence electrons available for bonding?
O selenium
Oboron
O calcium
O chlorine

Answers

The element Chlorine has the greatest number of valence electrons for bonding. This is because selenium has 6 valence electrons, boron has 3 valence electrons, calcium has 2 valence electrons, and chlorine has 7 valence electrons. Therefore we can see that since 7 is the greatest number chlorine has the greatest number of valence electrons.

Please Answer. What is the density of an object that has a mass of 13g and a volume of 25 cm3?

Answers

Density = Mass/Volume
13/25=0.52g/cm3

Answer:

The density of object is 0.52 g/cm³

Explanation:

Given data:

Density of object = ?

Mass of object = 13 g

Volume of object = 25 cm³

Solution:

Formula:

d = m/v

d = 13 g/ 25 cm³

d = 0.52 g/cm³

Thus, the density of object is 0.52 g/cm³.

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces. Gravitational forces are thousands of times stronger than electrostatic forces of repulsion. The force that binds together protons and neutrons is stronger than the force that attracts and repels protons and electrons. The force that attracts and repels protons and electrons is stronger than the force that binds together protons and neutrons.

Answers

Answer:

The force that binds together protons and neutrons is stronger than the force that attracts and repels protons and electrons.

Explanation:

1. Protons are positively charged. Protons have a mass of 1.

2. Neutrons are uncharged. Neutrons have a mass of 1.

3. Electrons are negatively charged. Electrons have almost no mass.

Nuclear reactions release more energy than chemical reactions as the force that binds together protons and neutrons is stronger than the force that attracts and repels protons and electrons.

Answer:

C) The force that binds together protons and neutrons is stronger than the force that attracts and repels protons and electrons.

Explanation:

Ni(OH)3 +
Pb(SO4)2 →__Pb(OH)4 +
Ni2(SO4)3
what is the balance

Answers

Answer:

4+3=3+3+2

Explanation:

4Ni(oh)3+3pb(so4)2=3pb(oh)4+2Ni2(so4)3

Count the total number of atoms in CH4:

Answers

Answer:

5 atoms

Explanation:

there is 1 carbon atom and 4 hydrogen atoms

what unit of measure would i use to measure the width of my fingernail A millimeters
B centimeters C meters D kilometers
E grams​

Answers

A. Millimeters
Because the width of fingernails are very small and millimeters is the smallest unit of measurement listed.

Which of these statements describes a chemical property?

Answers

Answer:

it rusts when exposed to air

Answer:

A

Explanation:

what are these significant figs A) 0.0040 B)1,000,000 C) 1.20 X 10^3

Answers

C is the answer I believe of the figs significant

If an atom has 15 protons and how many electrons will be gained when this atom forms an ion?

Answers

Answer:

What are the Answer choices

Students were given four unknown substances and asked to observe their
characteristics. Their observations are shown in the table below:



Which of the unknown substances is MOST likely a metal?

Answers

Answer:

b

Explanation:

In which region is the substance in both the solid phase and the liquid phase?
1 2 3 4

Answers

Answer:

its 2 on ed I promise do not listen to the brainiest

Explanation:

Answer:

B)2

Explanation:

How does oxygen get into the cell in order for cellular respiration to occur?
A.Diffusion
B.Exocytosis
C.Osmosis
D.Endocytosis

Answers

Answer:

A. Diffusion

Explanation:

A.Diffusion  - this is correct. Diffusion is the process where small molecules enter the cell by moving from a high concentration to a low concentration through a semi-permeable membrane.

B.Exocytosis  - this is incorrect. Exocytosis is a cell transport mechanism where the cell uses a system of vesicles to transport cargo outside of the cell. The vesicles fuse to the cell membrane and deliver the cargo outside.

C.Osmosis  - this is incorrect, osmosis is a type of diffusion specific to water molecules

D.Endocytosis - this is incorrect. Endoocytosis is a cell transport mechanism where the cell uses a system of vesicles to transport cargo into the cell. The cell membrane engulfs the molecules and brings them into the cell via the vesicle

Silver is a white metal that is an excellent conductor. Silver tarnishes when exposed to air and light. The density of silver is 10.49 g/cm3. The melting point is 962oC and the boiling point is 2000oC. A chemical property of silver is A) density. B) melting point. C) tarnishes in air. D) that it is a conductor.

Answers

Answer:

c tarnishes in air

Explanation:

After silver has been exposed to air that contains sulphur gases, discoloration would occur. there would be darkening that is caused by the reaction with gases.When any silver object tarnishes, it brings about a disfiguring of that object. Hydrogen sulphide would be needed for this to happen. silver sulphide is black and a if a thin layer should form on any surface, it ill darken it. This  is what we refer to as tarnishing.

Answer:

c

Explanation:

it tarnishes in air

Reggie suddenly decided to drive to the Grand Canyon, because he had never seen it. He didn't even have a map showing him how to get there! Reggie made a(n) _____. a. routine decision b. impulse decision c. daily decision d. regular decision Please select the best answer from the choices provided A B C D

Answers

Answer:

b. impulse decision

Explanation:

In this scenario, Reggie suddenly decided to drive to the Grand Canyon, because he had never seen it. He didn't even have a map showing him how to get there! Reggie made an impulse decision.

An impulse decision can be defined as a type of decision an individual makes without having a clear thought about the decision. Thus, an impulsive decision is strictly based on an individual's inclination, instinct, whim or sudden desire to do something.

This ultimately implies that, decisions that are made spontaneously without due diligence and considerations refer to an impulse decision.

Hence, Reginald's decision is an impulse decision because he suddenly decided to drive to go see a place (Grand Canyon) he hasn't seen before, even though he had no map to use as a guide or direction.

Answer:    b

Explanation:

NEED HELP ASAP WITH THESE QUESTIONS GIVING FAIR AMOUNT OF POINTS IF HELPED WITH ALL QUESTIONS Violet light has a wavelength of 4.20 x 10-12 m. What is the frequency?






3. A photon has a frequency (n) of 3.468 x 106 Hz. Calculate its energy






Calculate the energy (E) and wavelength (l) of a photon of light with a frequency of 4.215 x 1014 Hz.







Calculate the frequency and the energy of blue light that has a wavelength of 400 nm
(h = 6.62 x 10-34 J-s).









Calculate the wavelength and energy of light that has a frequency of 9.5 x 1015 Hz.






A photon of light has a wavelength of 0.090 cm. Calculate its energy.






Calculate the energy and frequency of red light having a wavelength of 2.80 x 10-5 cm.






Calculate the energy (E) and wavelength (l) of a photon of light with a frequency of 5.165 x 1014 Hz.







The wavelength of green light from a traffic signal is centered at 7.20 x 10-5 cm. Calculate the frequency.








If it takes 1.56 seconds for radio waves (which travel at the speed of light) to reach the moon from Earth, how far away is the moon?






Calculate the frequency of light that has a wavelength of 4.20 x 10-9m. Identify the type of electromagnetic radiation.

Answers

Answer:

a) 7.14e19 Hz

b) 2.298e-27 J

c) 2.793e-19 J; 7.117e9 nm

d) 7.5e14 Hz; 4.96e-19 J

e) 6.2947e-18 J; 31.6 nm

f) 2.21e-22 J

g) 7.1e-19 J; 1.1e15 Hz

h) 3.422e-19 J; 581 nm

i) 4.2e14 Hz

j) 1.92e8 m

k) 7.14e16 Hz; Ultraviolet

Explanation:

Frequency: ν       Wavelength: λ       Energy: E       Speed of light: C (3.00e8)       Planck's Constant: h (6.626e-34)

ν -> λ    λ = C/ν

λ -> ν    ν = C/λ

For either of these equations, wavelength must be converted to meters or nanometers, depending on the equation.

For ν -> λ, after doing the equation, convert the wavelength into nanometers by dividing by 1e-9.

For converting λ -> ν, convert the wavelength into meters by multiplying by 1e-9.

For energy: E = hν = hc/λ

Now that the setup is out of the way:

a) Violet light has a wavelength of 4.20 x 10-12 m. What is the frequency?

λ -> ν    ν = C/λ

[tex]\frac{3.00e8}{4.20e-12}[/tex] = 7.14e19 Hz

b) A photon has a frequency (n) of 3.468 x 106 Hz. Calculate its energy

E = hν = hc/λ

(6.626e-34) (3.468e6) = 2.298e-27 J

c) Calculate the energy (E) and wavelength (l) of a photon of light with a frequency of 4.215 x 1014 Hz.

E = hν = hc/λ

(6.626e-34) (4.215e14) = 2.793e-19 J

ν -> λ    λ = C/ν

[tex]\frac{3.00e8}{4.215e14}[/tex] = 7.117 m

[tex]\frac{7.117m}{1}*\frac{1nm}{1e-9m}[/tex] = 7.117e9 nm

d) Calculate the frequency and the energy of blue light that has a wavelength of 400 nm  (h = 6.62 x 10-34 J-s).

λ -> ν    ν = C/λ

[tex]\frac{400 nm}{1} *\frac{1e-9m}{1nm}[/tex] = 4e-7 m

[tex]\frac{3.00e8}{4e-7}[/tex] = 7.5e14 Hz

E = hν = hc/λ

(6.626e-34) (7.5e14) = 4.96e-19 J

e) Calculate the wavelength and energy of light that has a frequency of 9.5 x 1015 Hz.

ν -> λ    λ = C/ν

[tex]\frac{3.00e8}{9.5e15}[/tex] = 3.16e-8 m

[tex]\frac{3.16e-8m}{1}*\frac{1nm}{1e-9m}[/tex] = 31.6 nm

E = hν = hc/λ

(6.626e-34) (9.5e15) = 6.2947e-18 J

f) A photon of light has a wavelength of 0.090 cm. Calculate its energy.

E = hν = hc/λ

Convert the wavelength from cm to meters:

[tex]\frac{0.090cm}{1} *\frac{1m}{100cm}[/tex] = 9e-4 m

[tex]\frac{(6.626e-34)(3.00e8)}{9e-4}[/tex] = 2.21e-22 J

g) Calculate the energy and frequency of red light having a wavelength of 2.80 x 10-5 cm.

E = hν = hc/λ

Convert the wavelength from cm to meters:

[tex]\frac{2.80e-5cm}{1} *\frac{1m}{100cm}[/tex] = 2.8e-7 m

[tex]\frac{(6.626e-34)(3.00e8)}{2.8e-7}[/tex] = 7.1e-19 J

λ -> ν    ν = C/λ

Convert the wavelength from cm to meters:

[tex]\frac{2.80e-5cm}{1} *\frac{1m}{100cm}[/tex] = 2.8e-7 m

[tex]\frac{3.00e8}{2.8e-7}[/tex] = 1.1e15 Hz

h) Calculate the energy (E) and wavelength (l) of a photon of light with a frequency of 5.165 x 1014 Hz.

E = hν = hc/λ

(6.626e-34) (5.165e14) = 3.422e-19 J

ν -> λ    λ = C/ν

[tex]\frac{3.00e8}{5.165e14}[/tex] = 5.81e-7 m

[tex]\frac{5.81e-7m}{1}*\frac{1nm}{1e-9m}[/tex] = 581 nm

i) The wavelength of green light from a traffic signal is centered at 7.20 x 10-5 cm. Calculate the frequency.

λ -> ν    ν = C/λ

Convert the wavelength from cm to meters:

[tex]\frac{7.20e-5 cm}{1} *\frac{1m}{100cm}[/tex] = 7.2e-7 m

[tex]\frac{3.00e8}{7.2e-7}[/tex] = 4.2e14 Hz

j) If it takes 1.56 seconds for radio waves (which travel at the speed of light) to reach the moon from Earth, how far away is the moon?

  All we want to do here is to convert frequency (speed) to wavelength (distance). This problem requires a bit of thought, but it isn't bad once you realize that frquency is speed and wavelength is distance. It becomes just like the other problems after that. Also, I'll leave this distance in meters, but I think you can figure out how to convert it if it wants it in another unit.

  One second is equal to 1 Hertz, so our frequency is 1.56 Hz.

ν -> λ    λ = C/ν

[tex]\frac{3.00e8}{1.56}[/tex] = 1.92e8 m

  The actual distance from the earth to the moon via google is 3.84e7, but sometimes problems like this will mess with the numbers to make sure that you didn't just look up the answer. I'm still pretty sure that this is right, however.

k) Calculate the frequency of light that has a wavelength of 4.20 x 10-9m. Identify the type of electromagnetic radiation.

First, we convert wavelength to frequency, as normal:

λ -> ν    ν = C/λ

[tex]\frac{3.00e8}{4.20e-9}[/tex] = 7.14e16 Hz

Then we identify the electromagnetic wave type. You can look up a conversion chart for these on google, but since our frequency is in the e15 - e17 range, this light is considered ultraviolet.

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