1. What is the difference between a proton and a positively charged hydrogen ion?
a. Protons are neutral and hydrogen ions have a positive charge.
b. Hydrogen ions have one electron and protons don't have any.
C. Protons weigh more than hydrogen ions
d. They're the same thing.

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al