Question

Select from the list the term that most accurately matches the description in each case: (Variable valency, C-12, Percentage composition, Chloride ion, Potassium ion, , ). i) The phenomenon where an element shows more than one valency. ii) The symbol of a gas being evolved iii) The standard used in defining the Relative Atomic mass or Atomic weight of an element. iv) A positively charged ion. v) The symbol of an insoluble product or a precipitate​

Answer 1

Answer:

(III)

Explanation:

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