Quiz about CHEMISTRY VOCAB REVIEW

Question 1

What is a characteristic of a solid?

Accepted Answer

Definite shape and volume

Answer

Definite volume, but takes the shape of its container

Answer

No definite shape or volume

Answer

Expands to fill its container

Question 2

What is a characteristic of a liquid?

Accepted Answer

Definite volume, but takes the shape of its container

Answer

Definite shape and volume

Answer

No definite shape or volume

Answer

Expands to fill its container

Question 3

What is the characteristic of a gas in terms of shape and volume?

Accepted Answer

Indefinite shape and volume

Answer

Definite shape and volume

Answer

Definite shape, indefinite volume

Answer

Indefinite shape, definite volume

Question 4

What is formed when a gas is heated?

Accepted Answer

Plasma

Answer

Liquid

Answer

Solid

Answer

Vapor

Question 5

What does the Law of Conservation of Mass state?

Accepted Answer

The mass of the products must be equal to the reactants.

Answer

Mass can be created or destroyed during a chemical reaction.

Answer

The mass of the products must be greater than the reactants.

Answer

Mass is irrelevant in chemical reactions.

Question 6

What is the meaning of the word "created"?

Accepted Answer

Made or brought into existence

Answer

Destroyed

Answer

Hidden

Answer

Lost

Question 7

What does the term "Destroyed" mean?

Accepted Answer

To reduce to nothing

Answer

To create something new

Answer

To rearrange

Answer

To increase in size

Question 8

What does the term "Rearranged" mean?

Accepted Answer

To move around

Answer

To destroy completely

Answer

To create from scratch

Answer

To increase in mass

Question 9

What does the law of conservation of mass state?

Accepted Answer

Mass cannot be created or destroyed

Answer

Mass can be created and destroyed

Answer

Mass can only be created

Answer

Mass can only be destroyed

Question 10

What is the result of combining hydrogen and oxygen according to the diagram?

Accepted Answer

Water

Answer

Carbon dioxide

Answer

Methane

Answer

Nitrogen

Question 11

What is an open system in terms of matter and mass?

Accepted Answer

Matter is able to escape or enter, so the beginning and ending masses may be different.

Answer

Matter cannot escape or enter, so the masses remain the same.

Answer

Matter is only able to enter, not escape.

Answer

Matter is only able to escape, not enter.

Question 12

What is a closed system in terms of matter and mass?

Accepted Answer

The reaction is sealed, so the mass of the reactants will be the same as the mass of the products.

Answer

Matter is able to escape or enter, so the beginning and ending masses may be different.

Answer

Matter is only able to enter, not escape.

Answer

Matter is only able to escape, not enter.

Question 13

What is solubility?

Accepted Answer

The ability to dissolve, especially in water.

Answer

The measure of acidity or basicity.

Answer

The process of freezing.

Answer

The ability to conduct electricity.

Question 14

What does pH measure?

Accepted Answer

The acidity or basicity of a substance.

Answer

The temperature of a substance.

Answer

The solubility of a substance.

Answer

The density of a substance.

Question 15

What does reactivity refer to?

Accepted Answer

How easily a substance reacts chemically with other substances

Answer

The ability to conduct electricity

Answer

The ability to dissolve in water

Answer

The ability to change color

Question 16

Which of the following substances reacts explosively?

Accepted Answer

Potassium

Answer

Zinc

Answer

Magnesium

Answer

Iron

Question 17

What is conductivity?

Accepted Answer

The ability to move heat or electricity from one place to another

Answer

The ability to change shape

Answer

The ability to float in water

Answer

The ability to emit light

Question 18

What is a characteristic of a physical change?

Accepted Answer

It does not change the chemical makeup of a substance.

Answer

It changes the chemical makeup of a substance.

Answer

It creates a new substance.

Answer

It is always reversible.

Question 19

Which of the following is an example of a chemical change?

Accepted Answer

Photosynthesis

Answer

Breaking glass

Answer

Mixing candies

Answer

Folding paper

Question 20

What happens to atoms during a chemical change?

Accepted Answer

They are rearranged to form a new substance.

Answer

They remain unchanged.

Answer

They disappear.

Answer

They become larger.

Question 21

Which statement is true about chemical changes?

Accepted Answer

Chemical changes are not reversible.

Answer

Chemical changes are reversible.

Answer

Chemical changes do not create new substances.

Answer

Chemical changes do not involve atoms.

Question 22

What is a physical property?

Accepted Answer

A characteristic that can be observed or measured without changing the identity of the substance.

Answer

A characteristic that can only be observed when a substance transforms into a new substance.

Answer

A property that involves chemical reactions.

Answer

A property that changes the substance's chemical structure.

Question 23

Which of the following is a chemical property?

Accepted Answer

Flammability

Answer

Luster

Answer

Density

Answer

Malleability

Question 24

How can chemical properties be observed?

Accepted Answer

By transforming the substance into a new substance.

Answer

By measuring the substance's density.

Answer

By observing the substance's color.

Answer

By checking the substance's melting point.

Question 25

What does density measure in a substance?

Accepted Answer

The amount of matter in a substance

Answer

The color of a substance

Answer

The temperature of a substance

Answer

The shape of a substance

Question 26

What is the formula for calculating density?

Accepted Answer

Mass / Volume

Answer

Mass + Volume

Answer

Mass - Volume

Answer

Mass * Volume

Question 27

What does luster describe about a substance?

Accepted Answer

The way a substance reflects light

Answer

The weight of a substance

Answer

The temperature of a substance

Answer

The density of a substance

Question 28

What is the freezing point?

Accepted Answer

The temperature at which a liquid turns into a solid.

Answer

The temperature at which a liquid turns into a gas.

Answer

The temperature at which a solid turns into a liquid.

Answer

The temperature at which a gas turns into a liquid.

Question 29

What is the boiling point?

Accepted Answer

The temperature at which a liquid boils and turns to vapor.

Answer

The temperature at which a liquid turns into a solid.

Answer

The temperature at which a gas turns into a liquid.

Answer

The temperature at which a solid turns into a gas.

Question 30

What is a precipitate?

Accepted Answer

A solid formed from the reaction of two different liquids

Answer

A gas formed from a reaction

Answer

A liquid formed from a reaction

Answer

A solution formed from mixing solids

Question 31

What does solubility refer to?

Accepted Answer

The ability to dissolve, especially in water

Answer

The ability to evaporate

Answer

The ability to freeze

Answer

The ability to condense

Question 32

What is the definition of flammability?

Accepted Answer

The ability to burn.

Answer

The ability to dissolve in water.

Answer

The ability to conduct electricity.

Answer

The ability to reflect light.

Question 33

What does reactivity refer to in chemistry?

Accepted Answer

How easily a substance reacts chemically with other substances.

Answer

How easily a substance melts.

Answer

How easily a substance evaporates.

Answer

How easily a substance conducts heat.

Question 34

What does it mean if a material is malleable?

Accepted Answer

It can change shape when hammered.

Answer

It can be pulled into wires.

Answer

It can change color.

Answer

It can conduct electricity.

Question 35

What does it mean if a material is ductile?

Accepted Answer

It can be pulled into wires.

Answer

It can be broken easily.

Answer

It can change color.

Answer

It can float on water.

Question 36

What are reactants in a chemical reaction?

Accepted Answer

Substances that undergo the change

Answer

Substances that come out of a reaction

Answer

The result of a chemical change

Answer

Products of a reaction

Question 37

What are products in a chemical reaction?

Accepted Answer

The result of the reaction/chemical change

Answer

Substances that go into a reaction

Answer

Substances that undergo the change

Answer

Reactants of a reaction

Question 38

What does the coefficient in a chemical formula indicate?

Accepted Answer

The number of molecules of the substance

Answer

The number of atoms of each element

Answer

The type of chemical bond

Answer

The state of matter

Question 39

What does the subscript in a chemical formula indicate?

Accepted Answer

The number of atoms of the element

Answer

The number of molecules of the substance

Answer

The temperature of the reaction

Answer

The pressure of the reaction

Question 40

What is the basic unit of elements?

Accepted Answer

Atom

Answer

Molecule

Answer

Compound

Answer

Mixture

Question 41

How many types of subatomic particles are there in an atom?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 42

Which of the following is a subatomic particle?

Accepted Answer

Proton

Answer

Molecule

Answer

Compound

Answer

Mixture

Question 43

What type of electrical charge do protons have?

Accepted Answer

Positive

Answer

Negative

Answer

Neutral

Answer

No charge

Question 44

Where are protons located in an atom?

Accepted Answer

In the nucleus

Answer

In the electron cloud

Answer

In the outer shell

Answer

In the neutron field

Question 45

What is a neutron?

Accepted Answer

A subatomic particle with no charge

Answer

A subatomic particle with a positive charge

Answer

A subatomic particle with a negative charge

Answer

A subatomic particle with a double charge

Question 46

What does the term "neutral" mean in the context of charge?

Accepted Answer

No charge

Answer

Positive charge

Answer

Negative charge

Answer

Double charge

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