Atoms, Elements, and Bonds

Front

What is an atom?

Back

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

Front

What is an element?

Back

A pure substance made of only one type of atom.

Front

What is a bond in chemistry?

Back

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

Front

What is an ionic bond?

Back

A type of bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is a covalent bond?

Back

A type of bond formed when two atoms share one or more pairs of electrons.

Front

What is a hydrogen bond?

Back

A weak bond between a hydrogen atom and an electronegative atom, often seen in water.

Front

What happens to an atom when it gains an electron?

Back

It becomes negatively charged.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.