GCSE Chemistry – Isotope data
Learning Objectives
-I can calculate relative atomic mass from isotope data
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Question 1 of 16
1. Question
12% of carbon atoms are carbon-12 and 88% are carbon-13. Find the relative atomic mass to one decimal place.
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Question 2 of 16
2. Question
34.5% of magnesium atoms are magnesium-23 and 65.5% are magnesium-24. Find the relative atomic mass to one decimal place.
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Question 3 of 16
3. Question
59.64% of chlorine atoms are chlorine-8, 12.5% are chlorine-9 and 27.86% are chlorine-10. Find the relative atomic mass to one decimal place.
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Question 4 of 16
4. Question
33.5% of potassium atoms are potassium-19, 63.58% are potassium-20 and 2.92% are potassium-21. Find the relative atomic mass to one decimal place.
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Question 5 of 16
5. Question
25.75% of sulfur atoms are sulfur-53, 59.15% are sulfur-54 and 15.1% are sulfur-55. Find the relative atomic mass to one decimal place.
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Question 6 of 16
6. Question
13.1% of calcium atoms are calcium-61, 43.42% are calcium-62 and 43.48% are calcium-63. Find the relative atomic mass to one decimal place.
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Question 7 of 16
7. Question
45.73% of sodium atoms are sodium-88, 21.5% are sodium-89 and 32.77% are sodium-90. Find the relative atomic mass to one decimal place.
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Question 8 of 16
8. Question
53.48% of lithium atoms are lithium-34, 10.99% are lithium-35 and 35.53% are lithium-36. Find the relative atomic mass to one decimal place.
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Question 9 of 16
9. Question
12% of carbon atoms are carbon-12 and 88% are carbon-13. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 10 of 16
10. Question
34.5% of magnesium atoms are magnesium-23 and 65.5% are magnesium-24. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 11 of 16
11. Question
59.64% of chlorine atoms are chlorine-8, 12.5% are chlorine-9 and 27.86% are chlorine-10. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 12 of 16
12. Question
33.5% of potassium atoms are potassium-19, 63.58% are potassium-20 and 2.92% are potassium-21. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 13 of 16
13. Question
25.75% of sulfur atoms are sulfur-53, 59.15% are sulfur-54 and 15.1% are sulfur-55. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 14 of 16
14. Question
13.1% of calcium atoms are calcium-61, 43.42% are calcium-62 and 43.48% are calcium-63. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 15 of 16
15. Question
45.73% of sodium atoms are sodium-88, 21.5% are sodium-89 and 32.77% are sodium-90. Find the relative atomic mass to one decimal place.
CorrectIncorrect -
Question 16 of 16
16. Question
53.48% of lithium atoms are lithium-34, 10.99% are lithium-35 and 35.53% are lithium-36. Find the relative atomic mass to one decimal place.
CorrectIncorrect
