Edexcel International GCSE Chemistry
Edexcel International GCSE Chemistry Group 1 (Alkali Metals) Exam Questions
Free Edexcel International GCSE Chemistry exam questions on Group 1 (Alkali Metals), with mark schemes. Covers reactions of lithium, sodium and potassium with water and reactivity trends.
Group 1 (Alkali Metals) exam questions
These packs of real past exam questions cover the whole of Section 2: Inorganic Chemistry, including Group 1 (Alkali Metals). Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Chemistry 4CH1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Chemistry Group 1 (Alkali Metals)
This sub-topic covers the alkali metals.
What you need to know
- Reactions With water forming hydroxides and hydrogen.
- Trend Reactivity increases down the group.
- Explanation Outer electron further from nucleus.
Common mistakes in Group 1 (Alkali Metals)
- Saying reactivity decreases down the group.
- Forgetting hydrogen is made.
Try two Group 1 (Alkali Metals) exam-style questions
1. Write the equation for sodium and water. (1 mark)
Show the mark scheme answer
2Na + 2H₂O → 2NaOH + H₂.
2. Explain why potassium is more reactive than sodium. (2 marks)
Show the mark scheme answer
Outer electron is further from the nucleus (1), so it is lost more easily (1).
Group 1 (Alkali Metals) FAQs
What does this cover?
Group 1 reactions and trends.
Why store them in oil?
To stop them reacting with air and water.
Revise this topic with flashcards: Edexcel IGCSE Chemistry 4CH1 Flashcards, with mark scheme answers for Anki and Quizlet.
