Atoms

All matter is made of ---

• energy.

• atoms.

• electrons.

• compounds.

Tags

NGSS.MS-PS1-1

The negatively charged subatomic particles of an atom are ---

• electrons.

• positrons.

• neutrons.

• protons.

Tags

NGSS.MS-PS1-1

The subatomic particles that are neutral and have no charge are ---

• protons.

• electrons.

• neutrons.

The _______ are found in the nucleus of an atom.

• neutrons and electrons.

• electrons.

• protons and neutrons.

• protons and electrons.

Tags

NGSS.MS-PS1-1

Neutrons are ______ particles because they have no charge.

• negative

• positive

• neutral

The positively charged subatomic particles of an atom are called ---

• electrons

• protons

• neutrons

The central region of an atom where its neutrons and protons are located is called the ---

• nucleus.

• electron cloud.

The smallest part of an element is an ---

• mixture.

• atom.

• molecule.

• compound.

Tags

NGSS.MS-PS1-1

____ orbit around the nucleus of an atom.

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS1-1

This atom has three protons (+) and three electrons (-). Therefore, it is a ___ atom.

• neutral

• positive

• negative

Tags

NGSS.MS-PS1-1