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Figure 3 shows the structure of an oxygen-14 atom - Edexcel - GCSE Physics Combined Science - Question 4 - 2016 - Paper 1
Question 4
Figure 3 shows the structure of an oxygen-14 atom. (i) Complete the four labels on Figure 3. (ii) Which of these particles has a negative charge? A alpha partic... show full transcript
Worked Solution & Example Answer:Figure 3 shows the structure of an oxygen-14 atom - Edexcel - GCSE Physics Combined Science - Question 4 - 2016 - Paper 1
Step 1
Complete the four labels on Figure 3.
Answer
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The central part of the atom is the nucleus, which should be labeled as 'Nucleus'.
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The protons are positively charged particles within the nucleus, labeled as 'Proton'.
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The neutrons, which are neutral particles also found in the nucleus, should be labeled as 'Neutron'.
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The electrons are negatively charged particles that orbit around the nucleus, so this should be labeled as 'Electron'.
Step 2