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Solutions: Atomic Structure

Q1. A neutral atom of carbon is represented by .

(i) Name the constituents of this atom and state how many of each are present.

It is an atom not just a nucleus... so many miss out the electrons!

    • protons and neutrons
    • 6p , 8n tick
    • [or u and d quarks , 20u and 22d ]
    • 6 electrons


(ii) Which constituent of an atom has the largest charge-to-mass ratio?

  • electron

(iii) Carbon has several isotopes. Explain the term isotope.

Isotopes are nuclei that contain identical numbers of protons but different numbers of neutrons

(Total 6 marks)