Which statement is true about the nucleus of an atom?
A It contains neutrons and ions and has a negative charge - OCR Gateway - GCSE Physics - Question 3 - 2018 - Paper 1
Question 3
Which statement is true about the nucleus of an atom?
A It contains neutrons and ions and has a negative charge.
B It contains neutrons and ions and has a neutra... show full transcript
Worked Solution & Example Answer:Which statement is true about the nucleus of an atom?
A It contains neutrons and ions and has a negative charge - OCR Gateway - GCSE Physics - Question 3 - 2018 - Paper 1
Step 1
It contains neutrons and ions and has a negative charge.
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Answer
This statement is incorrect because while the nucleus does contain neutrons, it does not contain ions, and the nucleus itself is not negatively charged.
Step 2
It contains neutrons and ions and has a neutral charge.
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Answer
This statement is also incorrect since the nucleus does not contain ions, and the presence of a neutral charge is not accurate in this context.
Step 3
It contains neutrons and protons and has a neutral charge.
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Answer
While the nucleus does contain neutrons and protons, it is incorrect to say that it has a neutral charge because protons carry a positive charge.
Step 4
It contains neutrons and protons and has a positive charge.
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Answer
This statement is the correct one. The nucleus of an atom contains both neutrons and protons. Protons are positively charged, which gives the nucleus an overall positive charge.
