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5 Written questions

5 Matching questions

  1. compound
  2. nucleus of atom
  3. adhesion
  4. element
  5. evolution
  1. a center of atom, contains protons and neutrons
  2. b how species change over time
  3. c pure substance made of only one kind of atom
  4. d attraction between molecules of different substances
  5. e substance formed when atoms bond

5 Multiple choice questions

  1. outermost electron on an atom
  2. mixture with parts evenly distributed
  3. the attractive force between two ions of opposite charge
  4. process in which genetic material from two parents combines and produces offspring that differ genetically from either parent
  5. When cohesion and adhesion work together against gravity

5 True/False questions

  1. chemical bondthe force that holds two atoms together


  2. elemental symbol1 or 2 letter(s) (1st capital, 2nd lowercase) used to represent the element (ex: C=carbon)


  3. protonneutrally charged subatomic particle in the nucleus of an atom


  4. solventpure substance made of only one kind of atom


  5. homeostasismaintain stable internal environment