Atomic Structure

Front

What is the charge of an atom that has lost one electron?

Back

1+

Front

Which of the following is unique for any given element?

Back

The number of protons.

Front

What is the charge of an atom that has gained one electron?

Back

1-

Front

An atom has 10 protons and a mass number of 18. It has __ neutrons.

Back

8

Front

When there are the same number of protons and electrons in an atom, that atom is a...

Back

Neutral atom.

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 the atomic number?

Back

The number of protons in the nucleus of an atom.