Chemistry, 05.05.2020 03:18, makaylashrout77
28. An element X is represented as 40 18X. (Note that X does not represent the actual symbol of the element)
a) Give the number of protons, neutrons and electrons in an atom of the element (1 mark)
Answers: 2
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28. An element X is represented as 40 18X. (Note that X does not represent the actual symbol of the...
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