Chemistry Vocabulary

3. between the oxygen and each hydrogen in a water molecule (H2O)
5. a substance composed of exactly two different elements
8. tells us the number of atoms of each element in a compound
10. useful tool for determining the precision of your calculations
11. linear molecular geometry describes the geometry around a central atom bonded to two other atoms
12. a central atom is located at the center with four substituents that are located at the corners
14. where two pairs of electrons are shared between the atoms rather than just one pair
15. a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond

1. ratio between the amounts in moles of any two compounds involved in a chemical reaction
2. molecular geometry has a central atom bonded to three other atoms or groups
4. model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
6. When a covalent bond forms with one pair of shared electrons
7. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
9. the mass of a given substance divided by the amount of substance
13. formed from the attraction between mobile electrons and fixed, positively charged metallic atoms