Answer:
(a) KCI
sylvine, is potassium chloride (KCl) in natural mineral form
When carbon bonds with 4 hydrogen atoms which is methane having sp3 structure so it is tetrahedral. electricity is conducted by electrons so graphite conducts by free and delocalised sea of electrons.
Third quarter (or last quarter)
The differences are the freezing and boiling points being exactly 180 degrees
A condensation reaction forming a glycosidic bond. so in other words a monosaccharide joining together to form a disaccharide.
