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Chemistry, 05.12.2020 14:00 briannaroberson16

Question.4 The position of three elements A, B and C in the Periodic Table is shown below: Giving reasons, explain the following:
(a) Element A is non-metal.
(b) Atom of element C has a larger size ‘ than atom of element A.
(c) Element B has a valency of 1

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