Chemistry, asked by danandan, 10 months ago

Pick out electron configuration of noble gas (1s2 2p5, 1s2 2s2 2p6 3s1, 1s2 2s2 2p6, 1s2 2s2 2p6 3s2 3p4)

Answers

Answered by rimikaran

Answer:

Name of Element : Rubidium. Atomic Weight : 85.5. Atomic Number : 37. Group : Alkali Metals. Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1.

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Answered by Wet12

Answer:

1st is nitrogen

2nd is sodium

3rd is neon

4th is sulphur

So 3rd electronic configuration is of noble gas

Explanation:

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