CARBON

Symbol : C

Atomic No : 6

No. Of Proton : 6

No. Of Electron : 6

Atomic Mass : 12.0107 u

No. Of Neutron : 6

SILVER

Symbol : Ag

Atomic No : 47

No. of Proton : 47

No. of Electron : 47

Atomic Mass : 107.8682 u

No. of Neutron : 61

POTASSIUM

Symbol : K

Atomic No : 19

No. of Proton : 19

No. Of electron : 19

Atomic Mass : 39.0983 u

No. of Neutron : 20

PLATINUM

Symbol : Pt

Atomic No : 78

No. of Proton : 78

No. of Electron : 78

Atomic Mass : 195.084 u

No. of Neutron : 117

ARGON

Symbol : Ar

Atomic No : 18

No. of Proton : 18

No. of Electron : 18

Atomic Mass : 39.948 u

No. of Neutron : 23