1. Which of the following is an element?   Water   Air   Aluminum   Salt   Hint Half-n-half Clue   2. _______ typically combine together to form molecules.   Electrons   Protons   Elements   Atoms   Half-n-half Clue   3. Which statement below is not in accordance with the Kinetic Theory?   Matter comprises molecules in continuous random motion.   The distance between molecules is less in liquids than in gases.   The distances between molecules are less than their sizes.   Molecules in solids vibrate continuously.   Half-n-half Clue   4. Mass is the amount of matter in a substance.   True   False   5. Which of the following is one of the three states of matter?   Liquid   Air   Water   Metal   Half-n-half Clue   6. _______ assumes that matter comprises molecules in continuous random motion.   Newton's First Law of Motion   Kepler's Law of Planetary Motion   The Kinetic Theory   Newton's Second Law of Motion   Half-n-half Clue   7. _______ is the lightest element.   Helium   Hydrogen   Neon   Lithium   Half-n-half Clue