Question 1

What is an atom?

Accepted Answer

Smallest unit of an element that maintains the properties of that element.

Answer

A substance with definite physical and chemical properties.

Answer

A mixture is one that doesn’t have a uniform composition.

Question 2

What is an element?

Accepted Answer

A substance that cannot be separated or broken down into simpler substances by chemical means.

Answer

Made up of different kinds of atoms that are chemically combined.

Answer

a combination of 2 or more substances that are not chemically combined.

Question 3

What is a homogeneous mixture?

Accepted Answer

A mixture that has the same composition throughout.

Answer

A mixture that doesn’t have a uniform composition.

Question 4

How is matter classified?

Accepted Answer

Element, Compound, Mixture

Answer

Suspension, Colloid, Solutions

Answer

homogeneous and heterogeneous

Question 5

What are pure substances?

Accepted Answer

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.

Answer

Smallest unit of an element that maintains the properties of that element.

Answer

A substance made up of  different types of atoms that are chemically combined.

Question 6

Are pure substances made up of one type of particle, or are they made up of numerous different particles?

Accepted Answer

One type

Answer

Numerous types

Question 7

Elements are classified as:

Accepted Answer

Metals, Non-metals, Metalloids

Answer

Solid, Liquid, Gas

Answer

By their pH, Organic/inorganic, and by their role in the body

Question 8

Example of a Compound:

Accepted Answer

H2O = Water Molecule

Answer

Hydrogen Gas

Answer

Molecular Element

Question 9

Heterogeneous Mixture:

Accepted Answer

A mixture that does not have a uniform composition.

Answer

A mixture that has the same composition throughout.

Question 10

Can pure substances be formed or broken down by physical changes?

Accepted Answer

No

Answer

Yes

Answer

It depends on the situation

Question 11

Example of a Pure Substance:

Accepted Answer

Water

Answer

Pizza

Answer

Gravel

Question 12

Suspensions:

Accepted Answer

Oil and Water

Answer

A homogeneous mixture, don’t settle over time. One substance is dissolved into another.

Answer

Mayo

Question 13

How compounds are classified:

Accepted Answer

By their pH, Organic/Inorganic, and by their role in the body

Answer

By their mass, volume, and by their dencity

Answer

By their size, color, and texture

Question 14

Example of an element:

Accepted Answer

Oxygen

Answer

H2O - Water Molecule

Answer

Paper

Answer

Steel

Question 15

Mixture:

Accepted Answer

A combination of 2 or more substances that are not chemically combined.

Answer

The smallest unit of an element that maintains properties of that element.

Answer

A combination of substances that have the same composition throughout.

Question 16

Solution:

Accepted Answer

A Homogeneous mixture in which  one substance is dissolved into another.

Answer

Particles are unevenly spread throughout the mixture, too small to settle.

Answer

A Heterogeneous mixture in which particles are spread throughout a liquid or gas, but are too large to stay mixed unless shaken.

Question 17

Organic Compounds:

Accepted Answer

Those that contain carbon and hydrogen.

Answer

Those that contain neither carbon and hydrogen.

Answer

A type of mixture

Question 18

Can mixtures be separated by physical changes?

Accepted Answer

Yes. They are not chemically combined so they can be separated physically.

Answer

No. They are chemically combined so they cannot be separated physically.

Question 19

Mixtures are classified as:

Accepted Answer

Suspensions, Colloids, Solutions

Answer

Organic compounds, and Biochemicals

Answer

Metals, Non-Metals, Metalloids

Question 20

Colloid:

Accepted Answer

Mayo

Answer

Water

Answer

Pizza

Question 21

Example of mixture:

Accepted Answer

Pizza

Answer

Copper Wire

Answer

Water

Question 22

Suspension:

Accepted Answer

Heterogeneous mixture. Particles are spread throughout but too big to stay mixed unless stirred.

Answer

Particles are unevenly spread throughout the mixture, too small to settle.

Answer

Homogeneous mixture, don’t settle over time. One substance is dissolved into another.

Question 23

Example of Solutions:

Accepted Answer

Soda

Answer

Mayo

Answer

Oil and Water

Question 24

Biochemicalls:

Accepted Answer

Organic compounds made by living things.

Answer

One substance is dissolved into another.

Answer

Contain carbon and hydrogen

Question 25

Colloids:

Accepted Answer

Have particles that are unevenly distributed throughout the mixture

Answer

Both

Answer

Soda

Related quizzes

Related quizzes