samiksha30 samiksha30

23-12-2020
Chemistry

contestada

how many group and periods are there in modern periodic table

Respuesta :

weirdo10191 weirdo10191

23-12-2020

In the periodic table, there are 7 periods and 18 groups.

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jamespolson jamespolson

01-04-2021

Answer:

there is 7 periods and 18 groups

Explanation:

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