How many significant figures are present in 2.020 X 10
-25
and 5.00 X 1027

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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