Matter 1 Test Review

What is the atomic number for each of the atoms shown in the illustration?

• 0, 1, 2

• 1, 1, 1

• 1, 2, 2

• 1, 2, 3

Tags

NGSS.MS-PS1-1

What is the mass number for each of the atoms shown in the illustration?

• 0, 1, 2

• 1, 1, 1

• 1, 2, 2

• 1, 2, 3

Tags

NGSS.MS-PS1-1

An atom has no overall charge if it contains equal numbers of

• electrons and protons.

• neutrons and protons.

• neutrons and electrons.

• None of the above

A certain atom of iron has 26 protons, 28 neutrons, and 26 electrons. What is the mass number of this iron atom?

• 26

• 28

• 54

• 2

Tags

NGSS.MS-PS1-1

An certain atom of iron has 26 protons, 28 neutrons, and 26 electrons. What is the atomic number of this iron atom?

• 23

• 26

• 54

• 77

Which of the following is an element?

• sodium chloride

• sodium hydroxide

• sodium sulfate

• sodium

Neutrons are particles that

• help make up the nucleus and have no charge.

• help make up the nucleus and are positively charged.

• are located outside of the nucleus and are negatively charged.

• are located outside of the nucleus and have no charge.

Electrons are particles that

• help make up the nucleus and have no charge.

• help make up the nucleus and are positively charged.

• are located outside of the nucleus and are negatively charged.

• are located outside of the nucleus and have no charge.

Atoms are composed of

• electrons and neutrons.

• protons and neutrons.

• electrons, protons, and neutrons.

• atomic mass units.

Tags

NGSS.MS-PS1-1

What is this atom's atomic number?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1