What is the empirical formula of a compound with 35.94% aluminum and 64.06% sulfur?

A.

AlS

B.

Al4S6

C.

AlS2

D.

Al2S3

E.

AlS3

Which of the following for an object should be known to calculate its density

What is the atomic mass that of magnesium

Which statement correctly defines dynamic equilibrium? At dynamic equilibrium, the rates of forward and reverse reactions are equal. At dynamic equilibrium, the rate of the forward reaction is higher than the rate of the reverse reaction.

Advantages of nuclear energy?

Data that shows consistent, regular, repetitive form displays a pattern?

What element gains three electrons to fill its valence energy level? s n al c

Determine the speed of sound at 20 oC in (a) air, (b) helium, and (c) natural gas (methane). Express your answer in m/s.

A solution consists of a solute and a solvent mixed together. for the solution in model 1 identify and provide the symbol for the a. solute. b. solvent.

What is meant by a " chain reaction "?

Describe the direction of the wind movement around the center of high air pressure