The cell organelles that contains chlorophyll

Why does his teacher ask him to balance the equation by including the correct coefficient

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point