Question

The position of five elements in the periodic table are shown below:
What are the number of valence electrons in B?
Identify the element(s) which
(i) will have the smallest atomic radius?
(ii) will be the most metallic?
(iii) will form basic oxide?
(iv) will show valency three?
(v) will show greatest tendency to gain electron?

Answer 1

Explanation:

Number of valence electrons in B= 6

(i) E

(ii) C

(iii) C

(iv) D

(v) B

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Answer 2

Answer:

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