F, Cl and Br are the elements each having seven valence electrons.
(a) Which of these has the largest atomic radius
(b)Which element is most reactive? Justify your answer stating the reason for each.

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Solution

(a) Bromine has the largest atomic radius because it has four shells: 2, 8, 18, 7.

(b) Fluorine is most reactive because it is smallest in size and can gain electrons easily.

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F, Cl and Br are the elements each having seven valence electrons. (a) Which of these has the largest atomic radius (b)Which element is most reactive? Justify your answer stating the reason for each.

(a) Bromine has the largest atomic radius because it has four shells: 2, 8, 18, 7. (b) Fluorine is most reactive because it is smallest in size and can gain electrons easily.

F, Cl and Br are the elements each having seven valence electrons.
(a) Which of these has the largest atomic radius
(b)Which element is most reactive? Justify your answer stating the reason for each.

(a) Bromine has the largest atomic radius because it has four shells: 2, 8, 18, 7.

(b) Fluorine is most reactive because it is smallest in size and can gain electrons easily.