Quiz about Atoms, Elements, Molecules, and Compounds

Question 1

Atoms are the smallest particle of an element. True or False?

Accepted Answer

True

Answer

False

Question 2

Chemical bonds between atoms form molecules. True or False?

Accepted Answer

True

Answer

False

Question 3

Atoms cannot be broken into smaller particles using chemical reactions. True or False?

Accepted Answer

True

Answer

False

Question 4

Atoms are created when two substances are chemically bonded together. True or False

Accepted Answer

False

Answer

True

Question 5

Atoms are made of protons, neutrons, and electrons. True or False?

Accepted Answer

True

Answer

False

Question 6

Elements combine in a variety of ways, both chemical and physical, to form all the matter that exists. True or False?

Accepted Answer

True

Answer

False

Question 7

Elements are composed of atoms and molecules. True or False?

Accepted Answer

False

Answer

True

Question 8

Elements cannot be broken down chemically into smaller parts. True or False?

Accepted Answer

True

Answer

False

Question 9

The smallest particle of an element that retains the properties of the element are atoms. True or False?

Accepted Answer

True

Answer

False

Question 10

All the atoms of an element are the same type of atom. True or False?

Accepted Answer

True

Answer

False

Question 11

Select all the true statements about molecules

Accepted Answer

They are the smallest particles of a compound that retain the properties of the compound.

Accepted Answer

Chemical reactions can be used to break them down into smaller molecules or atoms.

Accepted Answer

They are formed by atoms that are held together by chemical bonds.

Answer

Molecules combine to form atoms.

Question 12

Select all the statements that are true about compounds.

Accepted Answer

The smallest particles that retain the properties of a compound are molecules.

Accepted Answer

All of the molecules of a compound are the same.

Accepted Answer

The molecules of a compound are composed of two or more different types of atoms.

Answer

Two oxygen molecules can combine chemically to form an 02 molecule (two oxygen molecules bonded together chemically). This molecular oxygen is a compound.

Question 13

Select all the statements that are true about chemical bonds.

Accepted Answer

It is formed when two atoms share electrons

Accepted Answer

When two atoms or more are chemically bonded the result is a molecule.

Accepted Answer

When atoms form chemical bonds, the atoms are still made up of protons, neutrons, and electrons.

Answer

Chemical bonds always form between atoms of the same type

Answer

Atoms cannot react chemically to form chemical bonds, only molecules can.

Atoms, Elements, Molecules, and Compounds

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