INV 5 - INV
17 important questions on INV 5 - INV
What type of intermolecular force is present in ammonia (NH₃)?
What is the behavior of particles in a solid state?
What is the behavior of particles in a liquid state?
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What is the behavior of particles in a gas state?
What causes high surface tension in water?
Why does solid ice float on water?
How do we know if a molecule is polar or not?
What is the freezing/boiling point characteristic of water?
What does the term "polarity" refer to in water molecules?
What is the electronegativity difference for a polar covalent bond?
What is the Law of Conservation of Mass in a chemical reaction?
total mass reactants = total mass products
What must be true for a single replacement reaction to occur?
What are the solubility rules used for in double replacement reactions?
What are the rules for determining oxidation numbers?
- The sum of the oxidation numbers in a compound is ZERO.
- Free elements are ZERO; including diatomics.
- The sum of the oxidation numbers of the atoms in a polyatomic ion is equal to the charge on the polyatomic ion.
- Use the common charges we learned from the periodic table when the atom is isolated or bonded. Alkali Metals are +1, Alkaline Earth Metals are +2
- Hydrogen is +1 (unless it is with a metal then it is -1)
- Oxygen is -2 (except when in H₂O₂ then O is -1)
What is the general form of an acid-base neutralization reaction?
What are single replacement reactions classified as in terms of oxidation and reduction?
How are acids named when they contain a polyatomic ion?
- Poly ion ending in -ate: Root anion + -ic acid
- Poly ion ending in -ite: Root anion + -ous acid
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