Boron family (group 13) elements:
AB, Al, Ga, In, Tl
BN, P, As
CC, Si, Ge
DO, S, Se
Answer & Solution
Correct answer: A. B, Al, Ga, In, Tl
Group 13: B (nonmetal/metalloid), Al, Ga, In, Tl (metals). General config ns² np¹. Typical oxidation state +3 (except Tl prefers +1).
Related questions
Dinitrogen gas is colourless, tasteless, odourless and:Liquid dinitrogen distils out first, boiling at about:Dinitrogen is produced commercially from air by fractional:Dinitrogen is a gas whose molecule is:The ionisation enthalpy of group 15 exceeds that of group:Nitrogen cannot reach the plus five state with halogens because it has no:The rising stability of the plus three state down group 15 is due to:Which element hardly forms compounds in the minus three state?