Grade 10 Physical Sciences · Matter and Materials
Define matter and atom terms
Give the exact meaning of matter words like element, compound, mixture, melting point and isotope.
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Question 5.1 · November 2024 · Paper 2 · Provincial · 2 marks
The graph below shows the first ionisation energies of the elements of period 3 in the periodic table.
5.1 Define ionisation energy.(2)
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3. Question 4.1 · November 2023 · Paper 2 · Provincial · 2 marks
Strontium is best known for the brilliant reds it produces from its salts in fireworks and flares.
Strontium is an element on the Periodic Table in period 5 group 2.
The four isotopes of strontium have isotopic mass numbers of , , and and relative abundance of , , and respectively.4.1 Define the term isotope.(2)Show the memo (1 tick)Memo
- ✓Definition of isotopeAtoms of the same element, with the same number of protons but different number of neutrons.
2 marks · Define matter and atom terms
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