Sociology, asked by Milanpatel3671, 11 months ago

Lanthanides are placed in________________ a) 3rd group & 7th period,b)3rd group & 6th period ,c) 4th group & 7th period d) 3rd group & 5th period.

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Answered by Anonymous

3

Answer :

3rd Group & 7th Period

I hope it help you.....

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Answered by Anonymous

1

The correct option is A..

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