DP Chemistry (last assessment 2024)

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Question 17N.2.hl.TZ0.2b

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.2.hl.TZ0.2b
Level hl Paper 2 Time zone TZ0
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
17N.2.hl.TZ0.2b

Analytical chemistry uses instruments to separate, identify, and quantify matter.

(b)

Outline how this spectrum is related to the energy levels in the hydrogen atom.

[1]

Markscheme

electron transfer/transition between high«er» energy level to low«er» energy level

OR

electron transitions into first energy level causes UV series

OR

transition into second energy level causes visible series

OR

transition into third energy level causes infrared series

Accept any of the points shown on a diagram.

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