Science, asked by piyushshamkantpatil6, 1 month ago

Identify who am I? A. I have valency zero. I am positioned last in the modern periodic table and first in mendeleeves periodic table Group 18
Group 1
Period 1
Period 7

Answers

Answered by poojatagra662

1

Answer:

Period 7

Explanation:

HOPE IT'S HELPFUL!!!!

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