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What is the total numbers of orbitals an...

What is the total numbers of orbitals and electrons for m = 0, if there are 30 protons in an atom?

A

7 orbitals, 14 electrons

B

6 orbitals, 12 electrons

C

5 orbitals, 10 electrons

D

3 orbitals, 6 electrons

Text Solution

Verified by Experts

The correct Answer is:
A
The configuration of the atom of atomic number 30 is `1s^(2)" "2s^(2)" "2p^(6)" "3s^(2)" "3p^(6)" "3d^(10)" "4s^(2)`. This will have 7 orbitals of m = 0. In 7 orbitals number of electrons are `7xx 2 = 14`.
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