Shweta Basu
from
Amity international School, Gurgaon
Subject :NSO Class : Class 10
What is the 7th element on the periodic table of elements?
Ans 1:
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Vaidehi
from
Agragami Convent School.Wardha., wardha
Class : Class 10
SHWETA, YOU SHOULD MENTION 7th ELEMENT ACCORDING TO MASS NO. OR ATOMIC NO.OR...WHAT?