The pair of elements with similar properties have atomic numbers –
OPTION 1 - 4, 24 OPTION 2 - 2,4 OPTION 3 - 3,11 OPTION 4 - 12,13

Question

The pair of elements with similar properties have atomic numbers –
OPTION 1  - 4, 24 OPTION 2 - 2,4 OPTION 3 - 3,11 OPTION 4 - 12,13

koikkara · Answer

http://cdac.olabs.co.in/?sub=75&brch=12&sim=94&cnt=1 http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/E/Elements.html have a look at it !

koikkara · Answer

Confusing, Well... Nitrogen and phosphorus are both in the same group of the periodic table and thus have similar properties.  So Which one is the correct option ?

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