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5 Written questions

5 Matching questions

  1. What is a polar molecule?
  2. What determines which element it is?
  3. What is a proton?
  4. The bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is made possible by
  5. What is a molecule?
  1. a the polarity of the water molecule
  2. b Atoms held together by covalent bonds.
  3. c A subatomic particle w/ a single unit of positive electrical charge (+)
  4. d a molecule that has opposite charges on opposite ends.
  5. e the atomic number.

5 Multiple choice questions

  1. The attraction btwn opposite charged ions.
  2. The number of protons in an atom.
  3. 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
  4. cohesion
  5. Oxygen, carbon, hydrogen, and nitrogen.

5 True/False questions

  1. The number of covalent bonds an atom can form is equal to what?the number of electrons it has.


  2. What primarily determines how an atom behaves?Electrons.


  3. What is a hydrogen bond?Forms when 2 atoms share 1 or more pairs of outer shell electrons and forms a molecule.


  4. What determines the chemical properties of an atom?The number of electrons in the outermost shell.


  5. What makes up the nucleus?Protons and neutrons.