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7.1 Group 1

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Question 12
H

Lithium reacts less vigorously than potassium mainly because lithium's outer electron

[1]
A

is closer to the nucleus, so it is held more strongly

B

is attracted less strongly, so it is lost more slowly

C

is further from the nucleus, so it is held more weakly

D

is in a full outer shell, so it is not easily lost

Markscheme

7.1 Group 1 Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Group 1

41 exam-style questions on Edexcel GCSE Chemistry 7.1 Group 1, covering 7.1.1 Classifying elements by group in the periodic table and 7.1.2 Properties and reactions of the alkali metals. Each one has a worked solution and a mark scheme showing where the marks go.

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