Author Question: Which atom in each group (I and II) has the smallest atomic radius? (I) Ba, Hf, At (II) As, Sb, Bi ... (Read 142 times)

chads108 · **on:** Aug 27, 2018

Which atom in each group (I and II) has the smallest atomic radius? (I) Ba, Hf, At (II) As, Sb, Bi

A) Ba; As
B) Ba; Bi
C) At; As
D) At; Bi

Question 2

When the nitrogen atom in an organic compound has four covalent bonds, it is called a

A) primary amine.
B) secondary amine.
C) tertiary amine.
D) quaternary ammonium ion.
E) tetraammine.