periodic Table

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Across
  1. 4. observable or measurable characteristics of matter
  2. 7. A column of elements in the periodic table of the chemical elements
Down
  1. 1. A subatomic particle also found in the nucleus of an atom, like the proton.
  2. 2. The basic building block of matter. Atoms make up everything around us.
  3. 3. Another type of subatomic particle, but it orbits the nucleus of an atom.
  4. 4. A subatomic particle found in the nucleus of an atom.
  5. 5. A means of solving a problem or dealing with a difficult situation.
  6. 6. An icon of chemistry, the periodic table is widely used in physics and other sciences.