AIEEE 2003a) nuclear massesc) nuclear neutron -portion number ratiosd)

1.	AIEEE 2003a) nuclear massesc) nuclear neutron -portion number ratiosd) atolllClue of ionic radius? [AIEEEc) Lit2.Which one of the following ions has the highest va-2004a) Od) F-b) B3+ih fllin arangements, the order is NOT according to the property i[AIEEE 2005]
Answer» This can be explained on the basis of z/e, where as z/e ratio increases, the size decreases and when z/e ratio decreases the size increases. z is atomic number and e is number of electrons. For Li+, z/e = 3/2 = 1.5 For F-, z/e = 9/10 = 0.9 For O2-, z/e = 8/10 = 0.8 For B3+, z/e = 5/2 = 2.5 Ans: OPTION C because it has the least z/e value.

AIEEE 2003a) nuclear massesc) nuclear neutron -portion number ratiosd) atolllClue of ionic radius? [AIEEEc) Lit2.Which one of the following ions has the highest va-2004a) Od) F-b) B3+ih fllin arangements, the order is NOT according to the property i[AIEEE 2005]

Answer»

This can be explained on the basis of z/e, where as z/e ratio increases, the size decreases and when z/e ratio decreases the size increases.

z is atomic number and e is number of electrons.

For Li+, z/e = 3/2 = 1.5

For F-, z/e = 9/10 = 0.9

For O2-, z/e = 8/10 = 0.8

For B3+, z/e = 5/2 = 2.5

Ans: OPTION C because it has the least z/e value.