Elements on Periodic Table

What is the atomic number of hydrogen

• 1

• 2

• 3

• 4

What is the atomic number of helium

• 1

• 2

• 3

• 4

What is the atomic number of lithium

• 1

• 2

• 3

• 4

What is the atomic number of Carbon

• 5

• 6

• 7

• 8

What is the atomic number of Nitrogen

• 5

• 6

• 7

• 8

What is the atomic number of Oxygen

• 5

• 6

• 7

• 8

What is the atomic number of Neon

• 10

• 11

• 12

• 18

What is the atomic number of Sodium

• 10

• 11

• 12

• 18

What is the atomic number of Magnesium

• 10

• 11

• 12

• 18

What is the atomic number of Aluminum

• 11

• 12

• 13

• 10