PLEASE HELP THIS IS DUE SOON! 1. True/False: Oxygen and chlorine combined are not a compound, but a molecule.
2. True/False: H2O is a compound.

Give the orbital configuration of the phosphorus (p) atom.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.