Chemistry Practice Final 20-21

Which of the following is NOT an example of matter?

• Air

• Light

• Water

• Smoke

Which of the following is an example of a chemical change?

• phase change

• burning wood

• boiling water

• cutting paper

All of the following are physical properties of matter except…

• mass

• color

• melting point

• rusting

Which of the following heterogeneous mixture?

• steel

• trail mix

• kool-aid

• air

Which state of matter is represented by a fixed shape and a fixed volume?

• solid

• liquid

• gas

• plasma

In the atom, which subatomic particle is positive?

• neutron

• proton

• electron

• orbital

What part of the atom is responsible for an element’s atomic mass?

• neutron

• proton

• electron

• nucleus

Which subatomic particle(s) are found in the nucleus of an atom?

• neutron

• electron

• proton

• protons and neutrons

Where are electrons found in an atom?

• nucleus

• neutron

• orbital

• proton

What charge does an electron have?

• positive

• neutral

• negative

• ion