Why hydrogen is diatomic and helium is monoatomic?
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Hydrogen belongs to group 1, and has 1 proton and 1 electron...and it is highly reactive element... therefore hydrogen exist as diatomic gas.. i.e.H2
Helium belongs to group 8,and has 2 protons and 2 electrons....and it is chemically
inert as it has completely filled orbitals... therefore helium exist as monotonic gas
Helium belongs to group 8,and has 2 protons and 2 electrons....and it is chemically
inert as it has completely filled orbitals... therefore helium exist as monotonic gas
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