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Match each isotope to its nucleus

Exercise and reference answers

Matching pairs
  1. Left
    Protium
    Right
    One proton, no neutron
  2. Left
    Deuterium
    Right
    One proton, one neutron
  3. Left
    Tritium
    Right
    One proton, two neutrons
Instructions
Tap an isotope, then tap what its nucleus holds.

Explanation

_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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