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1. In what kind of reaction do two or more substances combine to form a new compound? A) Decomposition B) Ionic C) Double-displacement D) Synthesis 2. Classify the chemical reaction 2SO2 + O2 à 2SO3. A) Single-displacement B) Double-displacement C) Synthesis D) Combustion 3. The equation...

Indicate whether the molecules are polar, nonpolar, or neither. 1. BeH2 A) Polar B) Nonpolar C) Neither 2. BF3 A) Polar B) Nonpolar C) Neither 3. SO2 A) Polar B) Nonpolar C) Neither 4. CH4 A) Polar B) Nonpolar C) Neither 5. NH3 A) Polar B) Nonpolar C) Neither 6. H2O A) Polar B)...

1. Covalent compounds have __________ structure, whereas ionic compounds have __________ structure. A) an unorganized, a crystal lattice B) a crystal lattice, a liquid C) a crystal lattice, an unorganized D) a liquid, a gas 2. Ionic compounds are formed through __________, whereas covalent...