9. t An element that has only 5 electrons in the 4p orbital is located in which group? A. O Group 1 B. Group 17 C. O Group 2 D. Group 8

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tiffanyzheng1712 tiffanyzheng1712 · Answer 1 · 2021-02-02T01:12:27+01:00

Answer:

B. Group 17

Explanation:

The element is Bromine. Its electron configuration is:

1s2 2s2p6 3s2p6d10 4s2p5

You can see that its last orbital is 4p^5 for 5 electrons in the 4p orbital.

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