Exam (elaborations)
A Level Physical Chemistry AQA Practice Questions and Detailed Answers
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1 relative mass of a proton 1 relative mass of a neutron 1/1840 relative mass of an electron +1 relative charge of a proton 0 relative charge of a neutron -1 Relative charge of an electron strong nuclear force How is the nucleus held together nuclear force is the nuclear force or electrostat...
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