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5 Written questions

5 Matching questions

  1. What physical states is matter found in?
  2. What are the three types of chemical bonds?
  3. What makes up the nucleus?
  4. How many electrons can the 2nd and 3rd shell of an atom hold?
  5. Which part of the atom has the most energy?
  1. a up to 8 electrons.
  2. b Ionic
    Covalent
    Hydrogen
  3. c Solid
    Liquid
    Gas
  4. d The outer shell.
  5. e Protons and neutrons.

5 Multiple choice questions

  1. Atoms held together by covalent bonds.
  2. the polarity of the water molecule
  3. Oxygen, carbon, hydrogen, and nitrogen.
  4. 25.
  5. cohesion

5 True/False questions

  1. The number of covalent bonds an atom can form is equal to what?The number of additional electrons needed to fill its outer shell.

          

  2. What is a hydrogen bond?Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.

          

  3. What is a covalent bond?Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.

          

  4. What is the atomic number?The attraction btwn opposite charged ions.

          

  5. What are elements?Elements that exist in different forms
    Forms of an element that differ in mass
    Same num of protons and electrons but diff num of neutrons

          

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