Chemistry, asked by bodigeanirudhgoud172, 16 days ago

a set of elements Hydrogen, Helium and Lithium with atomic weights 1U,4U and 7U is a triad, Justify.

Answers

Answered by deeptisingh3905

2

You can easily justify this

Explanation:

triad is found to be there when the average atomic mass of two elements is evaluated toh tha mass of middle element

As H+Li/2=1U+7U/2=4U

So as u have seen the average atomic mass of Ist and third element is equal toh middle element mass...

So this is how we can say It's shows the traid

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