Chemistry Final Review

Front

What is a molecule?

Back

A molecule is a neutral group of atoms that are held together by covalent bonds.

Front

What is a negatively charged subatomic particle?

Back

An electron is a negatively charged subatomic particle.

Front

What type of reaction is characterized by the replacement of one element in a compound?

Back

Single replacement reaction.

Front

What occurs when a piece of wood rots?

Back

A chemical change occurs when a piece of wood rots.

Front

What is not considered matter?

Back

Light is not considered matter.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the nucleus?

Back

The nucleus is the positively charged center of an atom, containing protons and neutrons.

Front

What is a proton?

Back

A proton is a positively charged subatomic particle found in the nucleus of an atom.

Front

What is a neutron?

Back

A neutron is a neutral subatomic particle found in the nucleus of an atom.

Front

What is a chemical change?

Back

A chemical change is a process that involves the transformation of one substance into another.