(i) Down the group an extra energy level is added
(ii) In group x elements form ions by ionizing the outer energy levels
(iii) A cross the period an extra proton is added which increased he nuclear attraction force
(iv) BF2
(v) – Ionic /electrovalent
- Involves loosing & gaining of electrons
(vi) G, F,E
-E has smallest atomic radius hence protons can attract an electron easier than in G
maurice.mutuku answered the question on October 15, 2019 at 07:15
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