3.2: Chapter Quiz
- Page ID
- 38892
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- The ________ or combining capacity of an atom is the number of extra or missing electrons in its outermost electron shell.
- valence
- atomic number
- exchange rate
- nucleus
- _______ is the oxidation of a hydrocarbon that is incomplete or dirty. The products are carbon monoxide and carbon (soot) in addition to carbon dioxide.
- Complete combustion
- Incomplete combustion
- Reduction
- Decomposition
- ________ is where a hydrogen atom that is covalently bonded to one oxygen or nitrogen atom is attracted to another oxygen or nitrogen atom. These bonds are weak and do not bind atoms into molecules.
- Ionic bonding
- Covalent bonding
- Hydrogen bonding
- Temporary bonding
- _________ is an attraction between ions of opposite charge that holds them together to form a stable molecule.
- Ionic bonding
- Covalent bonding
- Hydrogen bonding
- Temporary bonding
- ________ are stronger and more common in living organisms than are true ionic bonds. In the hydrogen molecules, H2, two hydrogen atoms share a pair of electrons.
- Ionic bonds
- Covalent bonds
- Hydrogen bonds
- Temporary bonds
- _______ represent stored energy.
- Chemical bonds
- Hydrogen bonds
- Covalent bonds
- Ionic bonds
- When two or more atoms, ions, or molecules combine to form new and larger molecules, the reaction is called a _________.
- decomposition reaction
- exchange reaction
- combustion reaction
- synthesis reaction
- _______ are substances that increase the rate of chemical reactions without becoming chemically changed or part of the product.
- Products
- Reactants
- Catalysts
- Chemical bonds
- For a combustion reaction to be initiated, the ______ energy for the reaction must be overcome.
- kinetic
- potential
- activation
- decomposition