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Question 18N.2.sl.TZ0.3a.i

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.2.sl.TZ0.3a.i
Level sl Paper 2 Time zone TZ0
Command term State Question number a.i Adapted from N/A
a.i.
[Maximum mark: 1]
18N.2.sl.TZ0.3a.i

Bromine can form the bromate(V) ion, BrO3−.

(a.i)

State the electron configuration of a bromine atom.

[1]

Markscheme

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

OR

[Ar] 4s2 3d10 4p5 ✔

 

Accept 3d before 4s.

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