Matter Review

Toasting bread is an example of 

• a change in state
• a physical change
• a chemical change
• both a physical and chemical change

Which particle of an atom has a negative charge?

• electron
• neutron
• proton
• atom

What is an atom?

• They do not have a nucleus.
• Some do not have protons.
• They can be seen with a regular microscope.
• They all make up matter.

The particles of a _______ are tightly packed and vibrate.

• liquid
• gas
• solid
• none of the above

During chemical changes ________.

• no new materials form.
• chemicals always change state.
• the same types of atoms are present.
• new materials form.

What makes up the nucleus of an atom?

• protons and electrons
• electrons and neutrons
• protons and neutrons
• all of the above

Which particle of an atom has a neutral charge?

• proton
• neutron
• electron
• all of the above

During physical changes __________.

• new materials form.
• the same types of atoms are present.
• no new compounds are formed.
• chemicals always change state.

Tearing a piece of paper is a ______ change.

• physical
• chemical
• physical and chemical
• neither

Which particle of an atom surrounds the nucleus?

• proton
• neutron
• all particles
• electron