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Chemistry Module 16
Key Terms and Concepts from the Module
| Question | Answer |
|---|---|
| Substance with one type of atom | charge of substance divided by number of atoms |
| Group 1A metals | +1 in molecules that contain more than one type of atom |
| Group 2A metals | +2 in molecules that contain more than one type of atom |
| Fluorine | -1 in molecules with more than one type of atom |
| Hydrogen | -1 when grouped with just one other atom that is a metal |
| Hydrogen | +1 when grouped with any other atoms than one metal |
| Oxygen | -2 in molecules that contain more than one type of atom |
| If all else fails, assume that the atom's oxidation number is | the same as what it would take on in an ionic compound |
| The atoms that are most likely to take on the role of an ionic compound are | groups 3A, 6A, and 7A |