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1)How is it possible to predict many of the properties of an element from the
knowledge of its atomic number?
(10 marks)
2)How is the electronic structure of an element related to each of the following?
(i) Its position in the periodic table (ii) Its valence(marks 05)
3)Consider the elements B, AI, C. and Si. Specify the element that has the:
(i) Most metallic character
(ii) Largest atomic radius
(ii) Largest electron affinity
(marks 06)
Answers: 1
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