Chapter4 -Chemical Bonds
Which of the following metals is most likely to from more than one type of cation
(a) Al (b) Ca (c) Hg (d) Na
Which of the following elements is most electronegative?
(a) B (b) C (c) N (d) O
The toxic gas hydrogen cyanide has the formula HCN. How many electrons must be shown in the Lewis structure of hydrogen cyanide?
(a) 2 (b) 6 (c) 10 (d) 12
How many nonbonding electrons are present in the molecule of water?
(a) 2 (b) 4 (c) 6 (d) 8
In a Lewis structure, which of the following atoms can have more than eight electrons associated with it?
(a) C (b) O (c) P (d) none of these
How many nonbonding electrons pairs are present in ammonia, NH