What is the difference between a crystalline material and an amorphous material? Give an example of each type.

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Answer 1

Answer:

Answer :

As we know that there are two types of solids.

(1) Amorphous Solids

(2) Crystalline Solids

Amorphous Solids : It is a type of solids in which the constituent particles of the matter are arranged in the random manner.

That means there is no proper arrangement of atoms in solid lattice but the atoms or molecules are closely spaced that means they can move freely from one place to another.

The examples of amorphous solid are, plastics, glass, rubber, metallic glass, polymers, gel, fused silica, pitch tar, thin film lubricants, wax.

Crystalline Solids : It is a type of solids where the constituent particles of the matter are arranged in the specific manner.

That means there is a proper arrangement of atoms in solid lattice. They do not have space between the molecules or atoms and they can not move freely from one place to another.

The examples of crystalline solids are, quartz, calcite, sugar, mica, diamonds, snowflakes, rock, calcium fluoride, silicon dioxide, alum.

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Besides oxygen and hydrogen, which element is most abundant within the human body? iodine (I) boron b. nitrogen (N) carbon
c.

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its carbon dioxide we exhale carbon along with oxygen

Which definitions of acids can apply to substances?

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*Acids taste sour. The lemon, vinegar, tamarind contain acids; that's why they are sour.

*The acids change the color of certain substances called indicators. The indicators have the property of changing color as the character acid or basic solutions. The litmus and phenolphthalein are indicators of acids and bases. The solution of phenolphthalein is colorless red in the presence of an acid. Already the blue litmus paper turns red.

*The acids react with bases to form salts and water. This reaction is called neutralization reaction.
hope this helps!

Boyle's law states that thea. volume of a gas varies inversely with pressure.
b. volume of a gas varies directly with pressure.
c. temperature of a gas varies inversely with pressure.
d. temperature of a gas varies directly with pressure.

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The correct answer is A. The volume of a gas varies inversely with pressure. Boyle's law is one of the gas laws we have. According to this law, at a fixed amount of an ideal gas which is at constant temperature, the pressure and volume are inversely proportional with each other.

Answer:

the answer is A pls mark me

Explanation:

A series of five short lines. The first has an up and a down arrow, and is labeled below 1 s. The second has an up and a down arrow, and is labeled 2 s. The third has an up arrow and no label. The fourth has an up arrow and is labeled 2 p. The fifth has an up arrow and no label. Which element is this?

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234hope it was helpful

Is americium a solid, liquid or gas

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Americium at standard temperature and pressure is solid. This element is a radioactive one and is a member of the actinide group. It was first produced by the group of Glenn T. Seaborg. It common application is in household smoke detectors.

The activation energy of a chemical reaction can be decreased by the addition of(1) a catalyst (3) electrical energy
(2) an indicator (4) thermal energy

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A CATALYST would decrease the activation energy of a reaction thus creating an alternate pathway for the reaction to occur

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