what is the symbol for Nitrogen
N
what's the lightest element
Hydrogen
Si is what element
Silicon
what's the 20th element
Calcium
1st element
hydrogen
what is the symbol for Carbon
C
(using a periodic table) mass of Hydrogen is?
a mass of 1
Na is what element
Sodium
what's the 13th element
Aluminum
2nd element
Helium
what is the symbol for Fluorine
F
(using a periodic table) mass of Helium is?
a mass of 4
K is what element
Potassium
what's the 8th element
Oxygen
3rd element
Lithium
what is the symbol for Calcium
Ca
(using a periodic table) mass of Oxygen is?
a mass of 16
Mg is what element
Magnesium
What's the 18th element
Argon
4th element
Berylium
what is the symbol for Phosphorus
P
what's the heaviest element
Uranium
Ne is what element
Neon
what's the 16th element
Sulfur
5th element
Boron