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Elements
of
the
Periodic
Table
100
Calcium
Ca
100
Silicon
Si
100
Phosphorous
P
100
Colbalt
Co
100
Nickel
Ni
200
Zinc
Zn
200
Iodine
I
200
Tin
Sn
200
Barium
Ba
200
Chromium
Cr
300
Cesium
Cs
300
Krypton
Kr
300
Bromine
Br
300
Titanium
Ti
300
Aresnic
As
400
Selenium
Se
400
Rubidium
Rb
400
Tungston
W
400
Radon
Rn
400
Radium
Ra
500
Uranium
U
500
Strontium
Sr
500
Platinum
Pt
500
Plutonium
Pu
500
Francium
Fr