Question

The atomic number of elements is 17. The number of orbitals containing electron pairs in its valence shell is ______.

Options

• 3

• 4

• 6

• 8

Answer 1

The atomic number of elements is 17. The number of orbitals containing electron pairs in its valence shell is 3.

Explanation:

Atomic number 17, 1s² 2s² 2p⁶ 3s² 3p⁵

Valence shell has 3s² 3p⁵ orbit.

Valence shell has 3 orbitals with paired electrons.