1. A sample of a compound contains 5.00 grams of carbon and 13.8 grams of oxygen. Another sample of this compound has 15.0 grams of carbon. How many grams of oxygen does it contain?
2. Explain how the octet rule applies to:
A. The reaction between Mg and O to form MgO.
B. The reaction between two F atoms to form F2.
3. An atom has a mass of 19.00A. amu (atomic mass units). An amu is 1.6605x10-24 grams. Determine the mass of the atom in:
A. grams
B. in kilograms