Elements
H
C
What is carbon
Na
What is sodium
S
He
What is helium
N
What is nitrogen
Mg
What is magnesium
Cl
What is chlorine
Li
What is lithium
O
What is oxygen
Al
Ar
Be
What is beryllium
F
What is flourine
Si
What is silicon
K
What is potassium
B
What is boron
Ne
What is neon
P
What is phosphorus
Ca
What is calcium