First 20 Elements

Front

What is the symbol for Hydrogen?

Back

H

Front

What element has the symbol K?

Back

Potassium

Front

Which element has the symbol Na?

Back

Sodium

Front

What element has the symbol He?

Back

Helium

Front

What is the symbol for Lithium?

Back

Li

Front

What is the atomic number of Hydrogen?

Back

1

Front

What is the atomic number of Helium?

Back

2

Front

What is the atomic number of Lithium?

Back

3

Front

What is the atomic number of Beryllium?

Back

4

Front

What is the atomic number of Boron?

Back

5