Unit 3 Review- Atoms/PT

What does the Atomic Number tell us?

• The number of protons in an atom

• The number of electrons in the atom

• The number of neutrons in an atom

What does the Atomic Mass tell us?

• The number of protons in an atom

• The number of electrons in the atom

• How many sub-atomic particles are in the nucleus

Atoms consist of parts called protons, neutrons, and___________________.

• electrons

• haptons

• neptons

• wontons

Each proton has a ______________ electrical charge.

• Positive

• Negative

• Neutral

• Shocking

Each electron has a ________________ electrical charge.

• positive

• negative

• neutral

• shocking

Each neutron has a _________________ charge.

• positive

• negative

• neutral

• shocking

The nucleus of an atom contains protons and _________________.

• electrons

• haptons

• neutrons

• wontons

Electrons move _______________ the nucleus.

• inside

• outside

• on top of

• without

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

If an atom has 12 protons, which of the following must it also have to be considered a neutral atom?

• 12 neutrons

• 12 electrons

• 12 protons

• 24 protons and neutrons