Question

(a) Draw diagrams representing the atomic structures of the following:
i.Sodium atom
ii.Chlorine ion
(b)Elements X, Y and Z have atomic numbers 6,9 and 12 respectively. Which one:
(i) Forms an onion
(ii) Forms a cation
(iii) Has four electrons in its valence shell?
(c)What is solubilty curve? State two applications​

Answer 1

Answer:

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