Periodic Table of Elements 1-15

Aluminum

Symbol: Al Weight: 27 Number 13

Magnesium

Symbol: Mg Weight: 24.3 Number:12

Boron

Symbol: B Weight: 10.8 Number: 5

Beryllium

Symbol: Be Weight: 9 Number: 4

Carbon

Symbol: C Weight: 12 Number 6

Fluorine

Symbol: F Weight: 19 Number 9

Hydrogen

Symbol: H Weight:1 Number 1

Lithium

Symbol: Li Weight:7 Number: 3

Nitrogen

Symbol: N Weight: 14 Number: 7

Sodium

Symbol: Na Weight: 23 Number 11

Neon

Symbol: Ne Weight:20.1 Symbol: 10

Oxygen

Symbol: O Weight 16 Number: 8

Phosphorus:

Symbol: P Weight: 31 Number: 15

Silicon

Symbol: Si Weight: 28 Number: 14

Helium

Symbol:He Weight: 4 Number: 2