End of Year Review Matter/Atom Unit

The part of an atom that has a negative charge is __________________.

• electron

• neutron

• nucleus

• proton

The part of an atom with no charge is a _________________________.

• proton

• neutron

• nucleus

• electron

The part of an atom with a positive charge is a _____________________.

• electron

• proton

• neutron

• nucleus

What major element is NOT found in living things?

• Oxygen

• Uranium

• Hydrogen

• Nitrogen

What does number 2 represent in the atom?

• proton

• neutron

• electron

• nucleus

What element has the chemical symbol "N"?

• Neon

• Nitrogen

• Nickel

• Sodium

In order for a ___________________ to form, a chemical reaction must take place.

• molecule

• element

• compound

• mixture

When a substance changes completely and a new substance is formed is called a __________________.

• physical change

• chemical change

• physical weathering

• chemical weathering

What are the three main states of matter?

• solid, liquid, sublimation

• solid, liquid, gas

• coal, oil, natural gas

• evaporation, condensation, precipitation

A substance that cannot be broken down by chemical or physical means is a(n)__________________.

• compound

• mixture

• element

• solution