Condensed Electron Configuration

00:00 1 marks

What is the condensed electron configuration of a bromine atom, Br (Z = 35)?

A

[Ar] 4s$^2$ 3d$^{10}$ 4p$^5$
B

[Ar] 4s$^2$ 4p$^5$
C

[Kr] 4s$^2$ 3d$^{10}$ 4p$^5$
D

[Ar] 3d$^{10}$ 4p$^5$

Hint Hint

Hint

Identify the noble gas preceding Bromine (Z=35) in the periodic table and then fill the subsequent orbitals according to the Aufbau principle, remembering the order of filling for period 4.

Answer Answer
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Explanation Explanation
Examiner Tips Examiner Tips
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Answer Answer

Complete Answer

[Ar] 4s$^2$ 3d$^{10}$ 4p$^5$

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

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