4 years ago

Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element. rb

Chemistry

1 answer:

damaskus [11]4 years ago

3 0

ANSWER IS D.

EXPLANATION:

The electronic configuration of neutral Rubidium atom is 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,5s1.

when a monoatomic ion is to be formed the Rubidium atom loses one electron from 5s orbital so the electronic configuration for the ion is 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6.

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