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5 Written questions

5 Matching questions

  1. chemical equation
  2. acid-base reactions
  3. covalent bond
  4. Kinetic energy
  5. phosphorylation reaction
  1. a When the ions of one compound (acid) interact with the ions of another compound (base), forming a salt and water
  2. b A ways of describing what happens in a chemical reaction
  3. c The reaction that takes place when a cluster of atoms, known as a phosphate group is added to another molecule
  4. d The attractive force formed between two atoms that share a pair of electrons
  5. e energy of motion

5 Multiple choice questions

  1. The energy an object has because of its position
  2. The total internal kinetic energy of molecules
  3. A negatively charged particle moving at a distance from the nucleus of an atom; balance it the positive charges of the protons
  4. The phase of matter in which the molecules are packed tightly together; they vibrate in place
  5. The component that dissolves in a solvent

5 True/False questions

  1. atomic numberThe number of protons in an atom


  2. gasThe total internal kinetic energy of molecules


  3. calorieThe amount of heat energy necessary to raise the temperature of 1 gram of water 1`c


  4. dehydration synthesis reactionA reaction that results in the formation of a macromolecule when water is removed from between the two smaller component parts


  5. chemical bondsThe attractive forces between ions of opposite charge