Atoms and Bonding

Front

What happens when an atom loses an electron?

Back

It becomes a positive ion.

Front

What is at the center of an atom?

Back

The nucleus.

Front

How is the atomic number of an element determined?

Back

By the number of protons.

Front

What explains many of the common physical properties of metals?

Back

Metallic bonding.

Front

What do atoms form when they react?

Back

A chemical bond.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is a chemical bond?

Back

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