Science, asked by Abhijeetkale, 1 year ago

there are some vacant places in the mendeleev's periodic table. in some of these plases the atomic masses are seen to be predicted. enlist three of these predicted atomic masses along with their group and period.

Answers

Answered by sairishitamann

1

hydrogen
helium
neon
argon
krypton
xenon
radon

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