Grade 10 Physical Sciences · Matter and Materials
Calculate relative atomic mass
Calculate the average mass of an element's atoms from its isotopes and their percentages (chlorine-35 and chlorine-37 give about 35,5).
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Question 4.5 · November 2023 · Paper 2 · Provincial · 3 marks
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.
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More past paper questions: calculate relative atomic mass
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3. Question 4.1.3 · November 2024 · Paper 2 · Provincial · 4 marks
4.1 Naturally occurring oxygen consists of three isotopes indicated below:
Answer the questions that follow.
4.1.3 Calculate the relative atomic mass of oxygen.(4)Show the memo (4 ticks)Memo
- ✓O-16 contributionRelative atomic mass
1 mark · Calculate relative atomic mass
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1 mark · Calculate relative atomic mass
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1 mark · Calculate relative atomic mass
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1 mark · Calculate relative atomic mass
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