Atoms and Molecules Practice

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

What is the basic unit of matter and is the smallest particle of an element?

• Atoms

• Elements

• Compounds

• Molecules

Tags

NGSS.MS-PS1-1

Two or more atoms chemically bonded together are called a

• atom

• element

• molecule

• mixture

Tags

NGSS.MS-PS1-1

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

Tags

NGSS.MS-PS1-1

Label the subatomic particles found within an atom.

a

b

Protons & Neutrons

Electrons

Tags

NGSS.MS-PS1-1

This subatomic particle of an atom has NO charge.

• Electron

• Proton

• Atom

• Neutron

This subatomic particle of an atom has a POSITIVE charge.

• Electron

• Neutron

• Proton

• Betatron

Tags

NGSS.MS-PS1-1

A ​ (a)   occurs in atoms. They are protons, neutrons, and electrons.

• subatomic particle

• nucleoulus

• explosion

Tags

NGSS.MS-PS1-1

The central region of an atom where its neutrons and protons are is called it's __________ .

• nucleus

• electron cloud

• core

• center