B.5 – B.6 Notes. In which you will learn about: Modeling atoms & molecules Chemical symbols & formulas. B.5 Pictures in the Mind. We live in a macroscopic world Large-scale, readily observed things
In which you will learn about:
Modeling atoms & molecules
Chemical symbols & formulas
2 atoms of hydrogen 1 atom of oxygen
The chemical formula for propane, a compound commonly used as a fuel, is C3H8. What elements are present in a molecule of propane, and how many atoms of each element are there?
Answer: 3 atoms of carbon, 8 atoms of hydrogen