Which compounds have only one valence bond, and which have two? Chemistry classes sort cards into groups of monovalent and polyvalent piles, according to their bonds. There are 20 cards to identify; half of them name the compound, while the other half gives chemical formulas. 

Concepts

ions

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Additional Tags

monovalent, polyvalent, ion, valence number, science

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Instructional Ideas

 

 

Classroom Considerations

• Laminate the cards before cutting them out, then keep them available for groups that finish lab work early

Pros

• An effective tool to help memorize common compounds by valence bonds

Cons

• None