Question

(a) Define the following terms
(i) Periodic Table
(ii) Period on the Periodic-table
(iii)Colum on the Periodic-Table
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Answer 1

Explanation:

i.Periodic table:It is a chart or table of the elements arranged into columns and rows according to their physical and chemical properties.

ii.Period on the periodic table:The horizontal rows of elements

iii.Column on the periodic table:The vertical representation of elements