Chemistry Month: The Periodic Table of the Elements

 

 

 

 

 

 

Learn about interesting facts about Hydrogen and Helium

Hydrogen
Category: non-metal
Atomic number: 1
Atomic weight: 1.00794
Phase: gas
Hydrogen is the most abundant element in the Universe, accounting for 88% of all atoms;…..

Helium
Category: noble gas
Atomic number: 2
Atomic weight: 4.002602
Phase: gas
Helium is name after the Greek God of the sun, Helios. It was detected as an unknown…

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