Atoms, Bonds & Molecules

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge does a proton have?

Back

A positive (+) charge.

Front

What charge does an electron have?

Back

A negative (-) charge.

Front

What is a neutron's charge?

Back

No charge (neutral).

Front

What is a chemical bond?

Back

A lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is a covalent bond?

Back

A type of bond where atoms share electrons.

Front

What is an ionic bond?

Back

A type of bond formed when one atom transfers electrons to another atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.