Which of the following would be the best name for MgCl2?

The element silver has two naturally occurring isotopes 109Ag and 107Ag with a mass of 106.905u. silver consists of 51.82% 107Ag and has an average atomic mass of 107.868u. calculate the mass of 109 Ag

Which is a property of an ideal gas? A) constant volume of molecules B) strong intermolecular forces of attraction C) loss of energy during collisions D) gain of energy during collisions E) perfectly elastic collisions

For all the chemistry people out there. Explain why Benzene is more stable that 1,3,5-hexatriene? ... ?

True or false a substance that undergoes a physical change is a different substance with different properties after the change.

Which compound has molecules that form the strongest hydrogen bonds? a. HI b. HBr c. HF d. HCl

Which relationship or statement best describes delta s for the following reaction: 2H2S (g) + 3O2 (g) - -> 2H2O (g) a) Delta S = 0 b) Delta S < 0 c) Delta S> 0 d) Delta S = Delta H |T e) More information is needed to make a reasonable prediction.

Which of the following subatomic particles are found outside of the nucleus?

How many atoms does a molecule of sodium chloride contain?

Why do certain types of honey rarely crystallize?

What is the pOH of a 2.1x10^-6 m oh - solution? pOH=?