Nonmetal Element

Written by Jerry Ratzlaff. Posted in Chemical Elements

periodic table metalDiatomic Nonmetal

Diatomic Nonmetal Element Table
Element NameElement SymbolAtomic NumberPeriodic Group NumberPeriodic Period Number
Bromine Br 35 17 4
Chlorine Cl 17 17 3
Fluorine F 9 17 2
Hydrogen H 1 1 1
Iodine I 53 17 5
Nitrogen N 7 15 2
Oxygen O 8 16 2

Polyatomic Nonmetal

Polyatomic Nonmetal Element Table
Element NameElement SymbolAtomic NumberPeriodic Group NumberPeriodic Period Number
Carbon C 6 14 2
Phosphorus P 15 15 3
Selenium Se 34 16 4
Sulfur S 16 16 3

Noble Gas

Noble gases (Inert Gas) until the 1960's were considered inert gases. There are seven noble gases all found in Group 18 (VIIIa) in the periodic table and are colourless, odourless, tasteless and nonflammable.

Noble Gas Element Table
Element NameElement SymbolAtomic NumberPeriodic Group NumberPeriodic Period Number
Argon Ar 18 18 3
Helium He 2 18 1
Krypton Kr 36 18 4
Neon Ne 10 18 2
Radon Rn 86 18 6
Ununoctium Uuo 118 18 7
Xenon Xe 54 18 5