Periodic Table

Front

What charge does a neutron have?

Back

Neutral

Front

How many electrons does an element with atomic number 19 have?

Back

19

Front

Are atomic mass and atomic number the same thing?

Back

No

Front

How many elements are there on the Periodic Table?

Back

118

Front

Which element has 5 protons?

Back

Boron

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What is the symbol for Lithium?

Back

Li

Front

What is the symbol for Calcium?

Back

Ca

Front

What is the symbol for Neon?

Back

Ne