Question

what is periodic table​

Answer 1

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a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

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Answer 2

Hey mate here is your answer:-

It is periodic classification of elements It is arranged by the increasing order of atomic number

there are four blocks:1)s block

2)p block 3)d block 4) f block

and 18 groups 1st group is alkaline metals 2nd is of alkali earth metals and 17th group is of halogens ,18th group is of inert gases it is also called as 'zero' group.

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