DP Chemistry (last assessment 2024)

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Question 19M.2.hl.TZ1.3b

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.2.hl.TZ1.3b
Level hl Paper 2 Time zone TZ1
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
19M.2.hl.TZ1.3b

This question is about sodium and its compounds.

(b)

Outline why the alkali metals (group 1) have similar chemical properties.

[1]

Markscheme

same number of electrons in outer shell

OR

all are s1 [✔]

Examiners report

The majority answered correctly stating same number of valence electrons as the reason. Some candidates stated same size or similar ionization energy but the majority scored well.

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