Chemistry, asked by athisivam05, 10 days ago

The 18 vertical columns of modern periodic table is called as
a) groups
b) periods c) octets d) None of the above

Answers

Answered by Anonymous

1

Answer:

Groups is the answer

Explanation:

hope it helps!!

Answered by SheikZara5590

1

it is called as group. and horizontal is called as periods

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