Answer:
When this occurs, sodium will donate an electron (which is a negatively-charged particle) to chlorine. This makes sodium slightly positive and chlorine slightly negative. Opposite charges attract, right? So then, sodium ions will attract chloride ions and form an ionic bond.
Explanation:
Which waves have some electrical properties and some magnetic properties?
a. longitudinal waves
b. transverse waves
c. mechanical waves
d. electromagnetic waves
The waves which have some electrical properties, and some magnetic properties are called as electromagnetic waves. The correct answer is option d.
Electromagnetic waves are a type of wave that consists of both electric and magnetic fields oscillating perpendicular to each other and to the direction of wave propagation.
They do not require any medium to propagate and they can travel through a vacuum. These waves include radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.
Therefore, option d. electromagnetic waves have some electrical properties and some magnetic properties.
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Choose all that apply.
18. Which of the following are requirements for something to be a physical property?
A. The property can be observed without changing the identity of the substance.
B. The property depends on the amount of the substance present.
C. The state of the substance changes when you measure the property.
D. The property can be observed or measured.
The property can be observed without changing the identity of the substance. The property can be observed or measured these are requirements for something to be a physical property.
What is physical properties ?Physical properties are properties of matter that can be seen and studied without influencing a sample's molecular structure. The arrangement of the material in a sample may change when a physical quality is evaluated, but the molecules' patterns are unchanged.
Melting point ,boiling point are the example of physical properties.
A property of matter that is autonomous to a change in its chemical components is termed a physical property. Density, color, hardness, melting and boiling points, and electrical conductivity are very few common examples of physical features.
Thus, option A and D are correct.
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why is powdered magnesium used in fireworks,
rather than magnesium ribbon?
Answer:
Because it will give a faster reaction.
Explanation:
The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and 02
gas. Which coefficients would be placed in front of water and oxygen?
O2 in front of water and 2 in front of oxygen
O 1 in front of water and 2 in front of oxygen
1 in front of water and 1 in front of oxygen
2 in front of water and 1 in front of oxygen
Answer: 2 in front of water and 1 in front of oxygen
Answer:
Your answer is D
Explanation: I'm sorry I'm late but the answer is correct
How many particles are present in this diagram?
Answer:
9 duh
Explanation:
differentiate between short period and long period in modern periodic table
Both these contain 18 elements each. The shortest period which contains two elements, while the longest period is the 6th period which contains 32 elements.
Are thermoplastics conductors of electricity?
Answer:
no it is not conductor of electricity
Explanation:
because thermoplastics made bad conductor of
electricity so, it is a insulator and not flow electricity
Please help! Sulfur is element 16. How many dots would you have to show in the electron dot diagram for sulfur?
is a compound is made different of
atoms?
Answer:
Yes.A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element.
what do guys like in a girl. whats ur type or like whats usually a guys type :)
Well, Some go for looks and some go's for the mind- I perfer the mind, Because I rather have a girl that isn't pretty and has a great personality. My type would be dirty blonde/brown hair, who is really smart but shy -N/A
give me the five examples of kinetic
energy
Answer:
The answer to your question is
*( Flying AirplaneWalking & RunningCyclingRollercoastersHydro-Power Plants )*Pls help!
Is volume equal to mass over density?
density = mass/volume
volume= mass/density
Yes, you're correct.
Answer:
Volume isn't equal to mass.
Explanation: Mass is weight, volume is like how much something can hold.
Which is one use for radioactive isotopes?
Answer:
Radioactive isotopes have many useful applications. In medicine, for example, cobalt-60 is extensively employed as a radiation source to arrest the development of cancer. Other radioactive isotopes are used as tracers for diagnostic purposes as well as in research on metabolic processes.
Explanation:
HOPE THIS HELPS !
The volume of a sample of gas measured at 27 °C is 10.0 dm . What is the temperature when the volume is reduced to 9.0 dm at the same pressure?
The second temperature of the sample of gas is 24.3°C
The calculation can be done as follows
T1= 27 °c
T2= ?
V1= 10 dm
V2= 9 dm
V1/T1= V2/T2
10/27= 9/T2
Cross multiply
10 ×T2= 9 × 27
T2= 9 × 27/10
= 243/10
= 24.3 °C
Hence the second temperature is 24.3°C
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What is the frequency, in hertz, of blue light having a wavelength of 4.25 x 10-?m? Your answer should be
written without spaces, in scientific notation (x10^#) , and to the hundredths place.
Answer:
7.05*10^16(when wavelength =4.25*10^-9m)
Explanation:
c=wavelength *frequency (f)
i.e. f=c/wavelength =3*10^8/4.25*10^-9=7.05*10^16
what is the environmental effect of 3NaCl
Answer:
Sodium and chloride ions separate when salts are dissolved in water. The dissolved sodium and chloride ions, in high concentrations, can displace other mineral nutrients in the soil. Plants then absorb the chlorine and sodium instead of needed plant nutrients such as potassium and phosphorus, leading to deficiencies.
Explanation:
the explanation is given inyour answer.
Which event is an example of melting?
A. Wet clothes are drying on a clothesline.
B. The outside of a glass of ice water becomes moist.
C. Water drips from an icicle on the edge of a roof.
D. Fog forms in a valley.
SUBMIT
Answer:
C is your correct answer
Answer:
C. Water drips from an icicle on the edge of a roof.
Explanation:
Water dripping form an icicle on the edge of a roof is a clear cut example of melting event.
Melting is a phase change from solid to liquid. It usually occurs when the solid body gains more thermal energy.
Icicles are frozen water; They have a solid stateWhen this ice body melts, drips of water begins to form. We term this melting.5. How many atoms are in 4.5 grams of cobalt (Co)?
Answer:
You can view more details on each measurement unit: molecular weight of Cobalt or grams The molecular formula for Cobalt is Co. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Cobalt, or 58.9332 grams.
Explanation:
Is the following equation balanced? Why or why not?
2H2 +02 → 2H,0
Answer:
Yes
Explanation:
It is balanced because On both sides there are 4 hydrogen atoms and 2 oxygen atoms, or in this case, 2 molecular hydrogens and 1 molecular oxygen, which made hydric acid, aka dihydrogen monoxide, or universally, as water.
Can some1 please answer these questions
Answer:
the answer of your question is yes
The boiling point of water is 100.0*C, yet a student measured it to be 101.3*C. Calculate the percent error of the student's measurement.
Answer:
Percent error = 1.3%
Explanation:
Given data:
Actual value of boiling point = 100.0 °C
Measured value = 101.3 °C
Percent error = ?
Solution:
Formula:
Percent error = ( Measured value - Actual value / Actual value ) × 100
Now we will put the values in formula.
Percent error = 101.3 °C - 100.0 °C / 100.0 °C × 100
Percent error = 1.3 °C / 100.0 °C × 100
Percent error = 0.013 × 100
Percent error = 1.3%
Thus, percent error is 1.3.
does the ratio of neutrons to protons affect the stability of the nucleus ?
An alien civilization has different names and symbols for six elements. Place each element in the correct location in the periodic table.
Answer:
The picture
Explanation:
You just have to count the number of valence electrons and place the unknown elements on the periodic table according to their atomic number.
Answer:
Here they are.
Explanation:
I don't really know. Sorry. Hope This Helps, Though! :)
0.764 km to centimeters
Answer: 76400cm
Explanation:
Cindy has lost her cell phone. She looks around everywhere and cannot find it. She decides to go to her mom and ask her to call her phone. Her mom calls it and it rings, allowing Cindy to find her phone. What type of electromagnetic wave is being used to communicate to Cindy's phone? O Visible Light O Gamma Ray O Microwave O Radio Wave
Answer:
Radio wave
Explanation:
The sound is radio waves that let Cindy find her phone.
9. Where does UV light
come from?
Answer:
the sun
Explanation:
can i have brainliest also have a good day
Finding evidence to support or disprove
is
how science advances
Answer:
Scientific investigations discover evidence that helps science advance, and the purpose of scientific investigations generally is to test hypotheses. Finding evidence to support or disprove hypotheses is how science advances.
Explanation:
3.
_______rock forms when a rock is changed by heat, pressure, or chemical
reactions,
Igneous
Sedimentary
Metamorphic
Chemical
Answer:
Metamorphic, I think
Explanation:
Its Metamorphic because that is changed by heat and pressure
How many electrons are present in S2-
Answer:
18 Electrons...
kid
Explanation:
Answer:
S2- refers to the sulfur ion that carried a negative charge of two. This means that the sulfur atom gained two electrons in the process of becoming an ion, giving the atom a total of 18 electrons.Explanation:
What is the reason for if A=B then 8A=8B
A)Multiplication Property of Equality
B)Reflexive Property of Equality
C)Given
Answer:
A
Explanation:
you multiply both sides by 8 so it stays equal