Nonmetal
7 elements
1
Hydrogen
Lightest element. Makes up 75% of all normal matter by mass. Stars are mostly hy...
6
Carbon
The basis of all known life. Forms more compounds than any other element, over 1...
7
Nitrogen
Makes up 78% of Earths atmosphere. Essential for amino acids, DNA, and proteins....
8
Oxygen
The third most abundant element in the universe. Makes up 21% of Earths atmosphe...
15
Phosphorus
Discovered by a German alchemist searching for the philosophers stone, made from...
16
Sulfur
Known since antiquity as brimstone. The tenth most abundant element in the unive...
34
Selenium
Essential trace element important for thyroid function and antioxidant defense. ...