Question

guys i have a question, from chapter periodic table. We know that representation of elements in P-Block are in form of ns^2np^1-6 but configuration of he is 1s2 no electron is there in p block, whats wrong here ?

Answer 1

Answer:

I don't know sorry for inconvenience

Explanation:

i m in 7 th class

Answer 2

Answer:

✤Good question✤.

Helium is having electronic configuration 1s² that is a configuration of s block element then it should be kept in s block. But it is not placed because of its properties only those match with inert gases.

• Helium is gas like other inert gases unlike solid s block metals.
• Helium is non- metal while s block contains only metals.
• Helium is much less reactive like other inert gases unlike s block metals which are most reactive.
• Helium also possess a completely filled electronic configuration like other inert gases. For all such reasons Helium is placed in inert gases group which lies in p block. Ok.

Explanation:

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