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5.1.2a Composition of the nucleus and isotopes

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Question 142

The element helium, symbol $He\text{He}$ , has a proton number of 2.

Which is a possible symbol for a helium nuclide?

$21He^{1}_{2}\text{He}$

$12He^{2}_{1}\text{He}$

$42He^{2}_{4}\text{He}$

$24He^{4}_{2}\text{He}$

Markscheme

5.1.2a Composition of the nucleus and isotopes Questions

IGCSE
Physics
5.1.2a Composition of the nucleus and isotopes

170 exam-style questions on CIE IGCSE Physics 5.1.2a Composition of the nucleus and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.

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