Question

1. Identify the least electronegative atom.
a. P
b. Na
c. I
d. B
e. O

2. Give the number of nonbonding pairs of electrons in H2NOH.
a. 0
b. 1
c. 2
d. 3
e. 4

3. Ionic bonds form between
a. only elements in the same row of the periodic table
b. only elements in the same column of the periodic table
c. elements with significant differences in electronegativity
d. elements with similar electronegativity
e. two identical atoms