Chemistry, asked by pavansagar, 1 year ago

explain 4th period has 18 and not 32 elements

Answers

Answered by rameshramadevi

The fourth row/period in the periodic table contains 18 elements as this is where the first row of the transition metals appears. These elements have access to the d-orbitals whereas previous elements do not have access to the d-orbitals for filling.

pavansagar: thanks

Answered by radhakrishna143

4th period has 4s, 3d, 4p orbitals
this orbitals can hold maximum number of electrons =18
so period 4 has 18 elements

pavansagar: thnx

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