1.

If the mass of proton is doubled and that of neutron is havled th emolecular weight of CO_(2)consisting only isoeletronic series?

Answer»

<P>`N^(3-),O^(2-),CL^(-),NE`
`F^(-),Ar,S^(2-),Cl^(-)`
`P^(3-),S^(2-),Cl^(-),Ar`
`N^(3-),F^(-),O^(2-),Ar`

Solution :`CO_(2)`
No, of protons =6+16=22
No, of neutrous =6+16=22
New total mass `=22xx2+(22)/(2)=55`
INCREASES in mass =11
% increase `=(11)/(44)xx100=25%`


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