Exam 5 Review- 8th Grade

The atom is made up of three subatomic particles. What are they?

• Protons, Neutrons, and Electrons

• Solid, Liquid, and Gas

• Positrons, Neutrons, and Electrons

• Protons, Nucleus, Electron Cloud

Tags

NGSS.MS-PS1-1

What is the center of the atom called?

• Nucleophile

• Electron Cloud

• Nucleus

• Centriole

What charge does a proton have?

• Negative

• Positive

• Neutral

• It Depends

What charge does a neutron have?

• Negative

• Positive

• Neutral

• It Depends

What charge does an electron have?

• Negative

• Positive

• Neutral

• It Depends

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Where are protons and neutrons found in the atom?

• In the outer rings

• In the cloud

• Floating around randomly

• In the nucleus

Electrons live in the electron _______.

John Dalton used which model to explain his atomic theory?

• The chocolate chip cookie

• The solar system

• The billiard ball

• The cherry with a pit

What does atomos mean?

• Small thing

• Indivisible or not to be cut

• Tiny atom

• Can only be cut in certain ways

Which scientist used the Chocolate Chip Cookie as his atomic theory model?

• Thomson

• Bohr

• Dalton

• Rutherford