DP Chemistry (first assessment 2025)

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Question 19M.1A.SL.TZ1.7

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ1.7
Level SL Paper 1A Time zone TZ1
Command term Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
19M.1A.SL.TZ1.7

Which series represents atoms in order of decreasing atomic radius?

A. N > C > Be > Mg

B. Mg > N > C > Be

C. Be > C > N > Mg

D. Mg > Be > C > N

[1]

Markscheme

D

Examiners report

Another well answered question with 75 % correctly ranking elements according to atomic radii. One G2 form stated that this question was repeated in paper 2.

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