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5 Written questions

5 Matching questions

  1. The bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is made possible by
  2. How many electrons can the inner shell of an atom hold?
  3. What are the three types of chemical bonds?
  4. What is mass?
  5. What is an ionic bond?
  1. a the polarity of the water molecule
  2. b 2.
  3. c The sum of the number of protons and neutrons in its nucleus.
  4. d The attraction btwn opposite charged ions.
  5. e Ionic
    Covalent
    Hydrogen

5 Multiple choice questions

  1. The number of protons in an atom.
  2. Solid
    Liquid
    Gas
  3. an electronically neutral subatomic particle.
  4. 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
  5. up to 8 electrons.

5 True/False questions

  1. 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

          

  2. What is matter?The sum of the number of protons and neutrons in its nucleus.

          

  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 are the 4 most abundant elements in living cells?Oxygen, carbon, hydrogen, and nitrogen.

          

  5. What is a molecule?a molecule that has opposite charges on opposite ends.

          

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