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5 Written questions

5 Matching questions

  1. mass number
  2. acid-base reactions
  3. Kinetic molecular theory
  4. hydroxide ions
  5. reactants
  1. a Negatively charged particles (OH) composed of oxygen and hydrogen atoms released from a base when dissolved in water
  2. b states that all matter is made up of tiny particles that are in constant motion
  3. c When the ions of one compound (acid) interact with the ions of another compound (base), forming a salt and water
  4. d The weight of an atomic nucleus expressed in atomic mass units (the sum of the protons and neutrons)
  5. e Materials that will be changed in a chemical reaction

5 Multiple choice questions

  1. The attractive force formed between two atoms that share a pair of electrons
  2. The science concerns with the study of the composition, structure and properties of matter and the changes it undergoes
  3. The smallest particles of a chemical compound; the smallest naturally occurring parts of an element or a compound
  4. A kind of matter that consists of a specific number of atoms (or ions) joined to each other in a particular way and held together by chemical bonds
  5. The ability to do work or cause things to move

5 True/False questions

  1. hydrolysis reactionsNegatively charged particles (OH) composed of oxygen and hydrogen atoms released from a base when dissolved in water

          

  2. liquidThe phase of matter in which the molecules are strongly attracted to each other, but, because they have more energy, and are farther apart than in a solid, they move past each other more freely

          

  3. matterAnything that has weight (mass) and takes up space (volume)

          

  4. Kinetic energyThe energy an object has because of its position

          

  5. saltsThe phase of matter in which the molecules are packed tightly together; they vibrate in place