The first 20 Elements

Hydrogen's atomic number is (a)   and it's symbol is ​ (b)  

• 1
• H
• 2
• Hy
• 3
• h

Tags

PS.1.A

Lithium's atomic number is ​ (a)   and it's symbol is ​ ​ (b)  

• 2
• L
• 3
• lI
• Li

Tags

PS.1

Oxygen's atomic number is ​ (a)   and it's symbol is ​ (b)   ​

• 8
• O
• 7
• Ox
• 6

Tags

PS.1

Na is the symbol for​ (a)   which has an atomic number of ​ (b)  

• Sodium
• 11
• Nadium
• 10
• 12

Tags

PS.1

Al is the symbol for ​ (a)   and its atomic number is ​ (b)  

• Aluminum
• 13
• Alloy
• 12

Tags

PS.1

The symbol for Argon is ​ (a)   and its atomic number is ​ (b)  

• Ar
• 18
• aR
• 17
• A

Tags

PS.1

He has an atomic number ​ (a)   and represents ​ (b)   ​

• 2
• Helium
• 8
• Heon

Tags

PS.1

F is the symbol for ​ (a)   ​

• Fluorine
• Fosphourous

Tags

PS.1

Match the following symbol/number with the name of the element

• Chlorine

• K or 19

• Phosphorous

• C or 6

• Carbon

• P or 15

• Potassium

• Ca or 20

• Calcium

• Cl or 17

Tags

PS.1