Any help with these would be greatly appreciated! Thanks
1.) Which one of the following is most likely to be a covalent compound?
a Rb2S
b CS2
c CaO
2.) Which one of the following ionic solids would have the largest lattice energy?
a NaF
b CsI
c CaCl2
3.) Which of the elements listed below has the greatest electronegativity?
a As
b Ga
c Cs
4.) The bond in which of the following pairs of atoms would be the least polar
(i.e., lowest percent ionic character)?
a C-O
b C-C
c C-H
5.) The number of lone electron pairs in the N2 molecule is ___.
a 2
b 1
c 3
6.) The total number of lone pairs in NCl3 is
a 4
b 10
c 9
7.) The Lewis structure for a chlorate ion, ClO3-, should show ____ single bond(s), ____ double bond(s), and ____ lone pair(s).
a 2, 1, 10
b 3, 0, 9
c 3, 0, 10