Unit 2 LC1 Review

How many types of particles make up an atom?

• 1

• 2

• 3

• 4

Which is NOT a particle found inside the atom?

• proton

• neutron

• nucleus

• electron

The number of _________________ determines what element an atom will be.

• protons

• neutrons

• molecules

• electrons

What is the center of the atom called?

• the element

• the nucleus

• the molecule

• the electron

In what region are the protons found?

• inside the nucleus

• outside the nucleus

Which particle is found outside the nucleus?

• neutron

• proton

• atom

• electron

Protons and __________________ are both found in the center of the atom.

• elements

• neutrons

• electrons

• atoms

What charge do protons have?

• +1

• -1

• 0

• it depends

What charge do neutrons have?

• +1

• -1

• 0

• it depends

What charge do electrons have?

• +1

• -1

• 0

• it depends