- (A) 1s2 2s2 2p3
- (B) 1s2 2s2 2p6 3s2 3p1
- (C) 1s2 2s2 2p4
- (D) 1s2 2s2 2p6 3s2 3p6 4s2 3d1
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Latest MCQs
- (A) Acidic oxide
- (B) Basic oxide
- (C) Amphoteric oxide
- (D) It does not exists
- (A) Heat resistant
- (B) Low melting
- (C) Used to prepare chemical garden
- (D) Green in colour
- (A) More soluble in cold water
- (B) More soluble in hot water
- (C) Insoluble in water
- (D) Soluble only in organic solvents
- (A) Molecular addition compounds
- (B) Molecular crystals
- (C) Semiconductors
- (D) Ionic compounds
- (A) Small size
- (B) High nuclear charge
- (C) Both A and B
- (D) No authorized justification yet
- (A) Glycol
- (B) Glyoxal
- (C) Vicinal diol
- (D) Both B & C
- (A) iron
- (B) copper
- (C) aluminium
- (D) zinc
- (A) Cu
- (B) Cr
- (C) Ni
- (D) A1
- (A) Tincal
- (B) Boric acid
- (C) Calcium carbonate
- (D) Colemanite
