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6.1 Atomic structure and isotopes

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Question 22

A detector records an ion with 26 protons, 24 electrons and 30 neutrons.

Which pair gives the ion's relative charge and mass number?

[1]

A

Relative charge $+ 2$ ; mass number 30

B

Relative charge $- 2$ ; mass number 30

C

Relative charge $- 2$ ; mass number 56

D

Relative charge $+ 2$ ; mass number 56

Markscheme

6.1 Atomic structure and isotopes Questions

GCSE
Physics
6.1 Atomic structure and isotopes

103 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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