(i) Electropositive nature of the element(s) increases down the group and decreases across the Period

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asked Jan 19, 2018 in Chemistry by Golu (37,045 points) 19 145 415

(i) Electropositive nature of the element(s) increases down the group and decreases across the Period
(ii) Electronegativity of the element decreases down the group and increases across the period
(iii) Atomic size increases down the group and decreases across a period (left to right)
(iv) Metallic character increases down the group and decreases across a period.

On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.
(a) Name the most electropositive element among them'
(b) Name the most electronegative element.
(c) Name the element with smallest atomic size.
(d) Name the element which is a metalloid.
(e) Name the element which shows maximum valency.

1 Answer

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answered Jan 19, 2018 by faiz (82,347 points) 6 6 11
selected Jan 19, 2018 by Golu
 
Best answer
(a) Lithium

(b) Fluorine

(c) Fluorine

(d) Boron

(e) Carbon

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