I II
Ca is a neutral atom BECAUSE it has the same number of protons and electrons.
112 .
I II
Salt dissolved in water depresses the freezing
point
BECAUSE the solute particles interfere with ice crystal
formation.
113 .
I II
Ionic bonds are always stronger than covalent
bonds
BECAUSE they break only when bombarded with
electrons.
114 .
I II
Substances with hydrogen bonding tend to have unusually
low boiling points
BECAUSE extra energy is necessary to break the
hydrogen bonds.
115 .
I II
A solution with a pH of 12 has a higher concentration of hydroxide ions than one
with a pH of 10
BECAUSE [H+][OH–] must
equal 10 –14.
116 .
I II
