ELD intro to atoms review

Front

What do opposite (different) charges do?

Back

Opposite charges attract each other.

Front

What is the number of protons in an atom of nitrogen?

Back

7

Front

What two particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What defines an element?

Back

An element is made of one type of atom.

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 compound?

Back

A substance formed when two or more different types of atoms bond chemically.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.