Grade 10 Physical Sciences · Matter and Materials

Explain periodic trends

Describe and explain how properties like atomic radius or ionisation energy change across a period or down a group (atoms get bigger down a group).

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19) Atom radius grade 10Kevinmathscience
The Periodic Table: Atomic Radius, Ionization Energy, and ElectronegativityProfessor Dave Explains
Ionization Energy and Atomic RadiusTyler DeWitt
20) Ionisation Energy Grade 10Kevinmathscience

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Question 5.4 · November 2024 · Paper 2 · Provincial · 4 marks

The graph below shows the first ionisation energies of the elements of period 3 in the periodic table.Diagram for this question
5.4 How will the SECOND ionisation energy of sodium compare to its FIRST ionisation energy? Choose from GREATER THAN, EQUAL TO or LESS THAN. Explain your answer.(4)

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  1. 3. Question 2.2 · November 2023 · Paper 2 · Provincial · 1 mark

    Use the table of substances below to answer the following questions.Diagram for this question
    2.2 Compare the first ionisation energy of C and Si.(1)
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    1. ✓
      ComparisonC has greater ionisation energy than Si.

      1 mark · Explain periodic trends

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