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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Grade 10 Isotopes and Relative Atomic Mass Chemistry PART 1Miss Martins Maths and Science
15a) Isotopes gr 10 exam questionKevinmathscience
How To Calculate Relative Atomic Mass | Chemical Calculations | Chemistry | FuseSchoolFuseSchool - Global Education

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Question 4.5 · November 2023 · Paper 2 · Provincial · 3 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.
4.5 Calculate the relative atomic mass of strontium.(3)

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More past paper questions: calculate relative atomic mass

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  1. 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.Diagram for question 4.1
    4.1.3 Calculate the relative atomic mass of oxygen.(4)
    Show the memo (4 ticks)
    1. ✓
      O-16 contributionRelative atomic mass

      1 mark · Calculate relative atomic mass

    2. ✓
      O-17 contribution

      1 mark · Calculate relative atomic mass

    3. ✓
      O-18 contribution

      1 mark · Calculate relative atomic mass

    4. ✓
      Answer

      1 mark · Calculate relative atomic mass

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