Question

the atomic number of element x is 20 the element belongs to which period in periodic table​

Answer 1

Answer:

Its electronic configuration is 2,8,8,2.

Hence it belongs to 4th period in periodic table.

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Answer 2

$\huge\mathtt\purple{Answer:}$

• An element with atomic number 20 will belong to group 2 and period 4 of the modern periodic table

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