Curriculum
Course: Alhussan Chemistry — Stage 9
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Curriculum

Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

11.4 The periodic table: Group 1 — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the photograph of freshly cut alkali metals (lithium, sodium, potassium) stored under paraffin oil. Why must Group 1 alkali metals be stored under oil?
Dr Dabour Hub Academy - figure 1
To prevent them from reacting rapidly with oxygen and moisture in the air
To keep them warm so they do not freeze
Because oil turns them into transparent glass
To prevent them from floating into the ceiling
Part of Chapter 11: Patterns in the Periodic Table — see every lesson and quiz in this unit.
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