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1
IA
2
IIA
3
IIIB
4
IVB
5
VB
6
VIB
7
VIIB
8 9
VIIIB
10 11
IB
12
IIB
13
IIIA
14
IVA
15
VA
16
VIA
17
VIIA
18
VIII
H

Periodic Table

H He
Li Be B C N O F Ne
Na Mg                     Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Rf Db Sg Bh Hs Mt                  
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Exit Chart
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

    

Hydrogen
  

Atomic Number  1

Most abundant element in the universe

Atomic Mass  1.00794

Lowest Density Element

Normal Melting Point  - 259oC

Electron Configuration  1s 1

Normal Boiling Point  - 253oC

3 Isotopes
      hydrogen - 1     protium
      hydrogen - 2     deuterium
      hydrogen - 3      tritium