The diagram shows a simple model of an atom - OCR Gateway - GCSE Physics - Question 16 - 2022 - Paper 1
Question 16
The diagram shows a simple model of an atom.
Answer the questions using words from the list:
electron
negative
neutral
neutron
nucleus
proton
(i) What is the na... show full transcript
Worked Solution & Example Answer:The diagram shows a simple model of an atom - OCR Gateway - GCSE Physics - Question 16 - 2022 - Paper 1
Step 1
What is the name of the part of the atom labelled Q?
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Answer
The part of the atom labelled Q is known as the 'nucleus'.
Step 2
Which two particles are found within part Q?
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Answer
The two particles found within part Q are the 'proton' and 'neutron'.
Step 3
What is the name of the particle labelled P?
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Answer
The particle labelled P is called an 'electron'.
Step 4
What is the overall charge on an atom?
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Answer
The overall charge on an atom is 'neutral'.
Step 5
Suggest why the model of the atom has changed over time.
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Answer
The model of the atom has changed over time due to advancements in scientific knowledge and technology, which have provided more accurate experimental results. Early models, such as the plum pudding model, were replaced by the more accurate Rutherford model and later the quantum mechanical model, as new particles and behaviors were discovered.
