IGCSE Chemistry Paper-1: Specimen Questions with Answers 99 - 99 of 99

Question 99

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Question

MCQ▾

Arrange the following elements in the decreasing order of their metallic character.

Cu, Ag, K, Br, Ca

Choices

Choice (4)
a.Br > Ag > Cu > K > Ca
b.Ca > K > Ag > Cu > Br
c.K > Ca > Ag > Cu > Br
d.Question does not provide sufficient data or is vague

Answer

c.

Explanation

Arranging the elements into different groups and periods:

Arrangement of the elements K, Ca, Cu, Br and Ag

Arrangement of the Elements K, Ca, Cu, Br and Ag

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Since the metallic character decreases along a period from left to right, therefore, metallic character decreases in the order K > Ca > Cu > Br.

Since metallic character increases down the group from top to bottom, therefore Ag is more metallic then Cu.

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