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Option C, slopes are same but y intercepts are different is the correct answer

Answer:

C. Malleability

Explanation:

The malleability of aluminum allows it to be formed into thin sheets.

Physical properties tells us about what a substance is when no change is occurring to its constituents.

Answer:

C

Explanation:

Answer: The third one, changes can occur to physical properties but the chemical composition remains the same.

Explanation: Chemical changes change the chemical composition. Physical changes do not.

Answer:

The answer is A

Explanation:

My teacher gave me the answer before the test that we took on 11/12/2020

Hope this helps anyone else who has the same question.

The halogens have similar properties, the correct option is A.

Halogens are the group 17th compound of the periodic table, It consists of elements like Fluorine(F), Chlorine(Cl), Bromine(Br), and Lodine(I).

The halogens have the following properties.

They all react with hydrogen to create acids.

All of them are fairly harmful.

Salts are easily formed when they react with metals.

Their outer shell contains seven valence electrons.

They are electronegative and very reactive.

Low melting and boiling points characterize the halogens. This is a common characteristic of non-metals.

As you move lower in the group, the melting and boiling points then rise.

The elements have different atomic mass, atomic radius, and a different number of protons.

They are grouped together because they all have similar properties.

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Answer:

[tex]4.7 * 10^{-7} meters[/tex]

Explanation:

Angstrom can be defined as a metric unit of length for used for the measurement of the wavelength of light (optics) such as visible light, x-rays, ultraviolet light, gamma rays etc. The symbol for Angstrom is "A" and it is named after the 19th century physicist from Sweden, named Anders Jonas Angstrom.

Given the following data;

Wavelength of spectral line = 4700A

To convert this value to meters;

One Angstrom is mathematically equal to [tex] 10^{-10} meters [/tex]

[tex] 1 Angstrom = 10^{-10} meters[/tex]

[tex] 4700 Angstrom = X \; meters[/tex]

Cross multiplying, we have;

[tex] X = 4700 * 10^{-10}[/tex]

X =  [tex]4.7 * 10^{-7} meters[/tex]

Therefore, 4700A is equal to 4.7e-7 or 0.00000047 meters.

Answer:

False. Chemical changes are always physical changes

Answer:

False

Explanation:

Answer:

D.

Explanation:

Translation:

A. make a barbecue

B. organize a picnic

C. swimming in the pool

D. to go skiing

Barbecue is usually a summer activity, so we eliminate that.

It would be too cold for a picnic!

It would be too cold to go swimming, and that's more of a summer thing!

Skiing is a snow activity, and since it is winter, it is likely to know.

Answer:

[He] 2s² 2p⁴

Explanation:

If you're looking for the answer in subshell form, here it is:

[tex]1sx^{2} 2sx^{2} px^{4} (2.6)[/tex]

Quote:

"Where I walk, I walk alone. Where I fight, I fight alone."

- Akuma

Answer:

Explanation:

Definition of Prokaryote. a single-celled organism (such as bacteria) that lacks a nucleus and cannot be seen with the naked eye. Examples of Prokaryote in a sentence. 1. The scientist studied the prokaryote under the microscope to see if its single-cell would multiply in certain conditions.

Hope this helps!

Prokaryotes are a single celled organism that is microscopic. They do not have a distinct nucleus with a membrane. They don't have other specialized organelles either. They also include bacteria and archaea.

"Prokaryotes are so small you cant see them with the bare human eye!"

[tex]\boxed{I\;hope\;it\;helps!}[/tex]

<3

Answer:

Protons give the atomic number

Explanation:

Answer:

6

Explanation:

To determine the number of neutrons we round 10.8 to 11 and subtract the atomic number (5) and get 6; therefore, boron has 6 neutrons.

Answer:

Nitrogen

Explanation:

:) pls mark brainliest

Answer:

Nitrogen

Explanation:

To find your answer, pay attention to the number of protons. Protons define an element's atomic number.

Answer: theres alot let me explain...

Explanation:

Protein denaturation is what makes eggs solidify, collagen break down and convert to gelatin in slow-cooked meat, fish and chicken become more opaque, and all meats firm up and change color. This is primarily achieved by applying heat, but can also occur in the presence of acidic and basic ingredients.

The Maillard reaction is the primary effect taking place in “browning”, and produces more flavor compounds, resulting in more complex flavors in food that we generally find enjoyable. It involves reaction between amino acids (proteins) and a certain class of sugars called reducing sugars — mostly the monosaccharides, such as glucose and fructose.

Caramelization is a secondary browning effect that occurs in foods with sugar content, even though all browning is often referred to as “caramelizing”. It mostly takes place at higher temperatures than Maillard reaction (with the notable exception of fructose).

Pyrolysis, or thermal decomposition (chemical breakdown) begins at higher temperatures. While caramelization is technically in this category, the main effect of this reaction is carbonization. This is what we generally mean when we talk about “burning” food, even though no combustion has taken place. It’s also what happens when we cause oil to smoke and darken. In small, controlled amounts, this can still provide desirable flavors, such as char on the outside of meat and contributing to “wok hei” in stir frying — the latter of which does involve some combustion.

Acid-base reactions produce carbon dioxide, which creates the rise in quick breads such as biscuits. These often occur at room temperature, but some also don’t occur until higher temperatures — which is how “double-acting” baking powder works.

Gluten formation occurs when you mix flour and water, resulting in stretchy doughs and fluffy baked goods. This occurs easily at room temperature.

Answer:

VVV

Explanation:

Covalent bonds are formed when atoms share electrons and ionic bonds are formed when positive and negative ions bond to form an ionic compound.

Answer:

473 °C

Explanation:

The following data were obtained from the question:

Initial volume (V1) = 200 mL

Initial temperature (T1) = 100 °C

Final volume (V2) = 400 mL

Final temperature (T2) =..?

Next, we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:

T(K) = T (°C) + 273

Initial temperature (T1) = 100 °C

Initial temperature (T1) = 100 °C + 273 = 373 K

Next, we shall determine the final temperature of the water as follow:

Initial volume (V1) = 200 mL

Initial temperature (T1) = 373 K

Final volume (V2) = 400 mL

Final temperature (T2) =..?

V1/T1 = V2/T2

200/373 = 400/T2

Cross multiply

200 × T2 = 373 × 400

200 × T2 = 149200

Divide both side by 200

T2 = 149200/200

T2 = 746 K

Finally, we shall convert 746 K to celsius temperature. This is illustrated below:

T(°C) = T(K) – 273

T(K) = 746 K

T(°C) = 746 – 273

T(°C) = 473 °C

Therefore, the temperature of the second sample when it starts to boil is 473 °C

Answer:

Explanation:

boiling

According to the forces of attraction, boiling takes place when the kinetic energy of molecules overcomes the intermolecular forces.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Answer: Earth's average albedo is about 0.3. In other words, about 30 percent of incoming solar radiation is reflected back into space and 70 percent is absorbed. A sensor aboard NASA's Terra satellite is now collecting detailed measurements of how much sunlight the earth's surface reflects back up into the atmosphere.

Explanation: ik im annoying thanks

Answer:

Gravity

Explanation:

According to Newton's Law of Gravity, an object with mass will attract another object with mass.

Answer:

atomic mass. You will have created an isotope.

Explanation:

Answer:

0.00025 m3

Explanation:

it just is; used conversion table

Answer:

1

Explanation:

you would take 4 subtract 0 which is 4 and divide it by 4 which is 1

Answer:

Ionization Energy is defined as the energy required to remove the most loosely bonded atom from an atom in its gas phase. Ionization energy in metals decreases from top to bottom and from right to left and on the periodic table.

Metals have lower ionization energies that help metal atoms to lose electrons to nonmetal atoms easily. The metallic character of a metal increases as ionization energy decreases, it means reactivity of metals increases with decreases in ionization energy.

Hence, the reactivity of metals increases with low ionization energies..

The metals tend to have high reactivity due to low ionization energy.

The ionization energy can be defined as the energy required to remove the atom from metal in its gaseous state. The metals on the left side of the periodic table have loosely bonded electrons, requiring less ionization energy for the removal of an electron. Thus on moving from left to right in a periodic table, the ionization energy increases.

On moving from top to bottom in a periodic table, due to steric hindrance, the electrons are loosely bonded and require less energy for the removal of electrons. Thus on moving down the group, the ionization energy decreases.

The low ionization energy shows that there is easy removal of electrons tends to increase its reactivity.

Thus, low ionization energy results in the high reactivity of metals.

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Answer:

Air from the trumpet moved it

Explanation:

the two middle ones is the answer

2 HClO(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(ClO)2(aq) is the balanced equation

Answer:

everything including the space...

hope it helps...

Answer: Salt is primarily composed of sodium chloride.

Explanation:

Answer:

A:

Explanation:

Because im smart

Answer:

D. create metal works of art. The bronze age was the age of crafting out of metal. So, using swords of metal would fit directly into the bronze age as they're metal.