locate the period block and group of element having atomic number is 12
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the number of cells used in electronic configuration of an atom is tells about period and the number of electron present in valence shell is tells about group
ex element having atomic number 12 has electronic configuration 2, 8, 2
its period is third and the group is second
ex element having atomic number 12 has electronic configuration 2, 8, 2
its period is third and the group is second
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