Chemistry, asked by FathimaS, 1 year ago

plz....Tell me this question answer immediately....

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Answered by Nameshraj
1
So easy questions.

1.For finding elements belonging same group, you just have to chek which elements have identical electronic configuration in their outermost shell. A and D have ns2 np5 configuration. So they belong to same group.

2.As B has configuration ns1, it is an alkali metal. Alkali metals have lowrst ionization enthalpy.

3.Again, those arealkali metals which exhibit only +1 oxidation state. so answer is B.

4. C has 6 electrons. So C^+4 will have 2 electrons.
so configuration is 1s^2.
That's it!

Hope this helps!

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