Chemistry, asked by nkaur9059, 1 year ago

hydrogen and Helium are not liqufied at room tempreature

Answers

Answered by Anonymous

1

H and He have no valence e-s for bonding. So, they don't react with moisture i.e O2. and hence don't liquified.

nkaur9059: valence e-s ??means

Anonymous: means the outermost shell e-s which is free to move.

Anonymous: if u like choose it brainlist ans.

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