Subatomic Particles

Subatomic Particles

8th grade Science 8.5A

Multiple Choice

What is at the center of every atom?

• An electron

• compound

• molecule

• nucleus

Multiple Choice

Which two particles make up the nucleus of an atom?

• protons and electrons

• protons and neutrons

• neutrons and nucleus

• electrons and nuclues

Multiple Choice

What is the role of an electron in an atom?

• Electrons live inside the nucleus and carry a neutral charge.

• Electrons circle the nucleus and have a positive charge.

• Electrons circle the nucleus and have a negative charge.

• Electrons live inside the nucleus and have a negative charge.

Multiple Choice

In an atom, what is the number of protons equal to?

• The number of electrons.

• The number of molecules.

• The number of neutrons.

• The number of nuclei.

Multiple Choice

A proton is a _____ charged particle.

• negatively

• positively

• neutrally

Multiple Choice

An electron is a _____ charged particle.

• negatively

• positively

• neutrally

Multiple Choice

A neutron is ______charged.

• negatively

• positively

• neutrally

Multiple Choice

Where are protons located in the atom?

• outside of nucleus

• orbitals

• inside of nucleus

• positive

Multiple Choice

Where are neutrons located in the atom?

• inside the nucleus

• electron cloud

• outside the nuclues

• neutral

Multiple Choice

where are electrons located in the atom?

• inside the nucleus

• electron cloud

• negative

• above the nucleus