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5 Written questions

5 Matching questions

  1. What is a proton?
  2. The bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is made possible by
  3. Which part of the atom has the most energy?
  4. What is matter?
  5. What is an atom?
  1. a A subatomic particle w/ a single unit of positive electrical charge (+)
  2. b The outer shell.
  3. c Anything that has mass and occupies space.
  4. d the polarity of the water molecule
  5. e The smallest unit of matter that still retains the properties of an element.

5 Multiple choice questions

  1. Changes is the chemical compound of matter.
  2. 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
  3. The attraction btwn opposite charged ions.
  4. The number of protons in an atom.
  5. Solid
    Liquid
    Gas

5 True/False questions

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

          

  2. What is a molecule?Atoms held together by covalent bonds.

          

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

          

  4. How many electrons can the inner shell of an atom hold?up to 8 electrons.

          

  5. What determines which element it is?the atomic number.

          

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