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Date November 2016 Marks available 1 Reference code 16N.1.hl.TZ0.5
Level HL Paper 1 Time zone TZ0
Command term State Question number 5 Adapted from N/A

Question

Which representation would be correct for a species, Z, which has 31 protons, 40 neutrons and 28 electrons?

A.  31 71 Z 3 +

B.  31 71 Z 3

C.  40 71 Z 3 +

D.   28 71 Z 3 +

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Atomic structure » 2.1 The nuclear atom
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