Please be sure to enter your first and last name in the space above.

Answer each of the following questions. Please do this as
independently as possible. In other words keep your eyes on your
own computer screen. When done, "submit." Then, practice your
typing skills with Mavis Beacon

• 1) The small particles that make up an atom include: electrons, protons and neutrons.
  True   False
• 2) The small particles that are found in the nucleus of an atom are:
  

  electrons & protons
  neutrons & protons
  electrons and neutrons
• 3) Protons have a positive charge whereas ___________ have a negative charge.
  

  electrons
  neutrons
• 4) An element contains only one type of atom
  True   False
• 5) A compound is made up two or more kinds of atoms
  True   False
• 6) If the atomic number of Carbon is 6, then one atom of Carbon has ___________ protons
  

  3
  6
  9
  12
• 7) If the atomic mass of Carbon is 12, then one atom of Carbon has _____________ neutrons
  

  3
  6
  9
  12
• 8) Matter is anything that has ____________ and takes up space.
  Answer:
• 9) The formula for density is: masss divided by ___________
  Answer:
• 10) The density of water is 1 ________
  

  g/mL
  g/m
  mL
  g
• 11) Because oil floats on water, its density must be _____ than that of water.
  

  less
  greater
• 12) Tearing a piece of paper into several pieces is an example of a
  

  chemical change
  physical change
• 13) The Statue of Liberty is made of copper, but because of oxidation it has turned a pale shade of green. This is an example of a
  

  chemical change
  physical change
• 14) Water condenses on the outside of a cold soda during a hot and humid day in July. This is an example of a
  

  chemical change
  physical change
• 15) Antoine Lavoisier proved that here on earth we really never create or destroy anything. This observation is known as the '_______ of Conservation of Matter."
  Answer:
• 16) The atomic mass of most elements is at least double the atomic number
  True   False
• 17) What is the atomic symbol for Hydrogen?
  Answer:
• 18) What is the chemical formula for table salt?
  Answer:
• 19) Water is a compound.
  True   False
• 20) Water is an element.
  True   False
• 21) For your element tile project: What was your element? What is its symbol on the periodic table? What is one interesting thing you learned about your element?