Displacement is called vector quantity. Why?

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?