Question

. (i) Noble gases were included in Mendeleev’s periodic table in the- (a) 1 st group (b) 7th group (c) 8th group (d) none of these

Answer 1

Answer:

option c

Explanation:

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Answer 2

D; none of these because the Mendeleev periodic table was arranged on the basis of atomic masses. Therefore the noble gases were arranged in a different zero group in the Mendeleev periodic table. Please mark as brainliest