Periodic Table Basics

Front

What does an uncharged atom have the same number of?

Back

Protons and Electrons

Front

What is the atomic number of Lithium?

Back

3

Front

What is the atomic mass of Lithium?

Back

7

Front

What is each column in the periodic table called?

Back

Group

Front

What does the atomic mass tell you?

Back

Number of protons and neutrons in the nucleus

Front

What is a horizontal row of elements in the periodic table called?

Back

Period

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 significance of the atomic number?

Back

It indicates the number of protons in an atom and defines the element.