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5.1.1a Structure of the atom and ions

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Question 8
a.

Atoms are composed of protons, neutrons, and electrons.

(i) Which of these particles is found orbiting the outer regions of the atom?

(ii) Which of these particles has a positive electric charge?

[2]
b.

Carbon has multiple isotopes, including 612C{}^{12}_{6}\text{C}612​C and 614C{}^{14}_{6}\text{C}614​C.

(i) What does the number 6 tell us about the nuclei of carbon atoms?

(ii) Which subatomic particle does an atom of 614C{}^{14}_{6}\text{C}614​C contain more of than an atom of 612C{}^{12}_{6}\text{C}612​C?

(iii) State the number of electrons in a neutral atom of:

  1. 612C{}^{12}_{6}\text{C}612​C
  2. 614C{}^{14}_{6}\text{C}614​C
[4]
Markscheme

5.1.1a Structure of the atom and ions Questions

  1. IGCSE
  2. /Physics
  3. /5.1.1a Structure of the atom and ions

114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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