Chemistry Basics

Front

What is the nucleus of an atom made up of?

Back

Protons and Neutrons

Front

What charge do electrons have?

Back

Negative

Front

How many neutrons are found in a potassium atom?

Back

20

Front

What is formed when two or more atoms chemically join together?

Back

A molecule

Front

What are the building blocks of matter?

Back

Atoms

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 is the charge of a proton?

Back

Positive

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.