The First 20 elements

Front

What is the atomic number of Potassium?

Back

19

Front

What is the chemical symbol for Magnesium?

Back

Mg

Front

What is the atomic number of Silicon?

Back

14

Front

What is the chemical symbol for Oxygen?

Back

O

Front

What is the atomic number of Phosphorus?

Back

15

Front

What element has the symbol 'Ne'?

Back

Neon

Front

What is the atomic number of Calcium?

Back

20

Front

What is the chemical symbol for Mercury?

Back

Hg

Front

What is the atomic number of Copper?

Back

29

Front

What element has the symbol 'Ar'?

Back

Argon