GCSE Chemistry – Isotopes – Primrose Kitten

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GCSE Chemistry – Isotopes

Last updated: 21/07/2020

CCEA GCSE Science – Combined science foundation Atomic structure GCSE Chemistry – Isotopes

Learning Objectives

-I can define the term isotope
-I can work out the number of protons, electrons and neutrons an isotope has
-I can calculate the relative atomic mass of an element according to the relative abundances of the isotopes

Time limit: 0

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Question 1 of 25

1. Question
What is the definition of an isotope?
- Atoms of the same element with a different number of neutrons and different masses
- Atoms of the same element with a different number of electrons and different masses
- Atoms of the same element with a different electronic structure
- Atoms of the same element with a different number of protons and the same masses
Correct

Incorrect
Question 2 of 25

2. Question
Which of the following statements is true for an isotope?
- They have a different number of neutrons
- They have the same number of neutrons
- They have a different electronic structure
- They have a different number of protons
Correct

Incorrect
Question 3 of 25

3. Question
Which of the following statements is true for an isotope?
- They have different masses
- They have the same number of neutrons
- They have a different electronic structure
- They have a different number of protons
Correct

Incorrect
Question 4 of 25

4. Question
Which of the following statements is true for an isotope?
- They have the same electronic configuration
- They have the same number of neutrons
- They have the same masses
- They have the same number of neutrons
Correct

Incorrect
Question 5 of 25

5. Question
What is significant about the chemical property of isotopes?
- Isotopes of the same element all react the same in chemical reactions
- Isotopes of the same element all react differently within acids
- Isotopes of the same element reactivity depends on the number of neutrons
- Isotopes of the same element all react differently in chemical reactions
Correct

Incorrect
Question 6 of 25

6. Question
Work out the number of protons, neutrons and electrons within $^{28}$ Mg $_{12}$ .
- Protons – 12 Neutrons – 16 Electrons – 12
- Protons – 14 Neutrons – 12 Electrons – 12
- Protons – 12 Neutrons – 13 Electrons – 12
- Protons – 16 Neutrons – 12 Electrons – 16
Correct

Incorrect
Question 7 of 25

7. Question
Work out the number of protons, neutrons and electrons within $^{85}Br_{35}$ .
- Protons – 35 Neutrons – 50 Electrons – 35
- Protons – 32 Neutrons – 50 Electrons – 32
- Protons – 34 Neutrons – 49 Electrons – 34
- Protons – 50 Neutrons – 35 Electrons – 50
Correct

Incorrect
Question 8 of 25

8. Question
Work out the number of protons, neutrons and electrons within $^{45}$ Ar $_{18}$ .
- Protons – 18 Neutrons – 27 Electrons – 18
- Protons – 17 Neutrons – 26 Electrons – 17
- Protons – 18 Neutrons – 18 Electrons – 27
- Protons – 18 Neutrons – 19 Electrons – 18
Correct

Incorrect
Question 9 of 25

9. Question
Work out the number of protons, neutrons and electrons within $^{82}$ Se $_{34}$ .
- Protons – 34 Neutrons – 48 Electrons – 34
- Protons – 34 Neutrons – 46 Electrons – 34
- Protons – 48 Neutrons – 48 Electrons – 35
- Protons – 35 Neutrons – 48 Electrons – 34
Correct

Incorrect
Question 10 of 25

10. Question
Work out the number of protons, neutrons and electrons within $^{42}$ K $_{19}$ .
- Protons – 19 Neutrons – 23 Electrons – 19
- Protons – 18 Neutrons – 22 Electrons – 18
- Protons – 17 Neutrons – 21 Electrons – 18
- Protons – 20 Neutrons – 23 Electrons – 19
Correct

Incorrect
Question 11 of 25

11. Question
Work out the number of protons, neutrons and electrons within $^{20}$ O $^{2-}$ $_8$ .
- Protons – 8 Neutrons – 12 Electrons – 10
- Protons – 12 Neutrons – 8 Electrons – 8
- Protons – 10 Neutrons – 8 Electrons – 6
- Protons – 8 Neutrons – 10 Electrons – 8
Correct

Incorrect
Question 12 of 25

12. Question
Work out the number of protons, neutrons and electrons within $^{17}$ O $_8$ .
- Protons – 8 Neutrons – 9 Electrons – 8
- Protons – 9 Neutrons – 8 Electrons – 8
- Protons – 8 Neutrons – 8 Electrons – 10
- Protons – 7 Neutrons – 9 Electrons – 6
Correct

Incorrect
Question 13 of 25

13. Question
Work out the number of protons, neutrons and electrons within $^8$ He $_2$ .
- Protons – 2 Neutrons – 6 Electrons – 2
- Protons – 4 Neutrons – 6 Electrons – 6
- Protons – 6 Neutrons – 2 Electrons – 6
- Protons – 4 Neutrons – 6 Electrons – 4
Correct

Incorrect
Question 14 of 25

14. Question
Work out the number of protons, neutrons and electrons within $^{15}$ C $_6$ .
- Protons – 6 Neutrons – 9 Electrons – 6
- Protons – 8 Neutrons – 9 Electrons – 8
- Protons – 9 Neutrons – 9 Electrons – 8
- Protons – 7 Neutrons – 9 Electrons – 7
Correct

Incorrect
Question 15 of 25

15. Question
Work out the number of protons, neutrons and electrons within $^{30}$ Al $_{13}$ .
- Protons – 13 Neutrons – 17 Electrons – 13
- Protons – 17 Neutrons – 12 Electrons – 16
- Protons – 16 Neutrons – 13 Electrons – 16
- Protons – 17 Neutrons – 13 Electrons – 13
Correct

Incorrect
Question 16 of 25

16. Question
Work out the number of protons, neutrons and electrons within $^{215}$ At $_{85}$ .
- Protons – 85 Neutrons – 130 Electrons – 85
- Protons – 82 Neutrons – 82 Electrons – 130
- Protons – 84 Neutrons – 130 Electrons – 84
- Protons – 132 Neutrons – 84 Electrons – 84
Correct

Incorrect
Question 17 of 25

17. Question
Work out the number of protons, neutrons and electrons within $^{20}$ N $_7$ .
- Protons – 7 Neutrons – 13 Electrons – 7
- Protons – 8 Neutrons – 13 Electrons – 7
- Protons – 6 Neutrons – 12 Electrons – 6
- Protons – 7 Neutrons – 7 Electrons – 7
Correct

Incorrect
Question 18 of 25

18. Question
Work out the number of protons, neutrons and electrons within $^{30}$ P $_{15}$ .
- Protons – 15 Neutrons – 15 Electrons – 15
- Protons – 14 Neutrons – 17 Electrons – 14
- Protons – 15 Neutrons – 15 Electrons – 14
- Protons – 16 Neutrons – 14 Electrons – 14
Correct

Incorrect
Question 19 of 25

19. Question
Work out the number of protons, neutrons and electrons within $^{12}$ Be $_4$ .
- Protons – 4 Neutrons – 8 Electrons – 4
- Protons – 6 Neutrons – 8 Electrons – 4
- Protons – 4 Neutrons – 12 Electrons – 4
- Protons – 8 Neutrons – 8 Electrons – 9
Correct

Incorrect
Question 20 of 25

20. Question
Work out the number of protons, neutrons and electrons within $^{22}$ F $_9$ .
- Protons – 9 Neutrons – 13 Electrons – 9
- Protons – 8 Neutrons – 12 Electrons – 9
- Protons – 9 Neutrons – 13 Electrons – 13
- Protons – 8 Neutrons – 14 Electrons – 8
Correct

Incorrect
Question 21 of 25

21. Question
Work out the number of protons, neutrons and electrons within $^{27}$ Na $_{11}$ .
- Protons – 11 Neutrons – 16 Electrons – 11
- Protons – 11 Neutrons – 15 Electrons – 11
- Protons – 10 Neutrons – 13 Electrons – 10
- Protons – 11 Neutrons – 16 Electrons – 16
Correct

Incorrect
Question 22 of 25

22. Question
Work out the number of protons, neutrons and electrons within $^{25}$ Na $^+$ $_{11}$ .
- Protons – 11 Neutrons – 14 Electrons – 10
- Protons – 12 Neutrons – 14 Electrons – 9
- Protons – 11 Neutrons – 12 Electrons – 11
- Protons – 10 Neutrons – 10 Electrons – 12
Correct

Incorrect
Question 23 of 25

23. Question
Work out the number of protons, neutrons and electrons within $^{38}$ Cl $^-$ $_{17}$ .
- Protons – 17 Neutrons – 21 Electrons – 18
- Protons – 16 Neutrons – 20 Electrons – 17
- Protons – 17 Neutrons – 18 Electrons – 16
- Protons – 7 Neutrons – 9 Electrons – 23
Correct

Incorrect
Question 24 of 25

24. Question
Work out the number of protons, neutrons and electrons within $^{30}$ Al $^{+3}$ $_{13}$ .
- Protons – 13 Neutrons – 17 Electrons – 10
- Protons – 10 Neutrons – 20 Electrons – 12
- Protons – 10 Neutrons – 10 Electrons – 16
- Protons – 13 Neutrons – 16 Electrons – 13
Correct

Incorrect
Question 25 of 25

25. Question
Work out the number of protons, neutrons and electrons within $^{82}$ Br $^-$ $_{35}$ .
- Protons – 37 Neutrons – 47 Electrons – 36
- Protons – 32 Neutrons – 36 Electrons – 37
- Protons – 31 Neutrons – 46 Electrons – 35
- Protons – 35 Neutrons – 35 Electrons – 34
Correct

Incorrect

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