The graph shows a plot of N, neutron number, against Z, proton number, for 8 stable nuclei - Edexcel - GCSE Physics - Question 3 - 2017 - Paper 1
Question 3
The graph shows a plot of N, neutron number, against Z, proton number, for 8 stable nuclei.
(i) One of the nuclei is marked A on the graph.
Complete the symbol for ... show full transcript
Worked Solution & Example Answer:The graph shows a plot of N, neutron number, against Z, proton number, for 8 stable nuclei - Edexcel - GCSE Physics - Question 3 - 2017 - Paper 1
Step 1
Complete the symbol for the nucleus A.
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Answer
The nucleus A is represented as:
60144A
Step 2
Plot the points on the graph that represent these two nuclei.
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Answer
To plot the stable nuclei on the graph:
For Hafnium: Plot the point at (72, 108)
For Yttrium: Plot the point at (39, 50)
These points should be accurately placed with consideration for a one square tolerance.
Step 3
Draw a best fit curve.
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Answer
Draw a best fit curve that passes through or near to most points plotted for the stable nuclei. Ensure not to use straight lines; instead, create a smooth curve that represents the trend of the data.
