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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 particl... 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 label for the protons is "Protons" (positive charge, located in the nucleus).
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The label for the neutrons is "Neutrons" (no charge, also in the nucleus).
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The label for the electrons is "Electrons" (negative charge, orbiting the nucleus).
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The overall label for the atom is "Oxygen-14" (indicating the specific isotope).
Step 2