Science Homework Help

I need help with my chem homework that is 28 questions and need some explanations to help me study. it is based on ionic compounds, molarity, molecular and empirical formulas and orbitals.

in the zip file, the questions are labeled as follows “q23” contains questions 2 and 3, “q456” contains questions 4 5 and 6 and so on

You need a periodic table and these constants as well:

Useful constants:

h = 6.626 x 10-34 J*s

c = 3.00 x 108 m/s