Easy Atom Review

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Across
  1. 2. Period 4 on the periodic table starts with Potassium(19) and ends with _______(36)
  2. 3. To find metals on the periodic table look on the _______ side (right or left?)
  3. 5. most of what is contained in an atom (two words)
  4. 6. A column on the periodic table is called a _______
  5. 9. protons and neutrons have nearly equal _______
  6. 10. Elements are organized by atomic _________
  7. 13. Group 2 on the table starts with Be(4 protons) and ends with _______ (88protons)
  8. 14. Shows the element symbol, atomic number and atomic mass (two words)
  9. 17. on the far right side of the table you find mostly ___________ (gasses, solids, jello)
  10. 18. Passing a current through water yields 2 parts hydrogen gas and 1 part ______ gas
Down
  1. 1. equal to the number of protons(two words)
  2. 4. The atomic number for sodium is _________
  3. 7. A row on the periodic table is called a _________
  4. 8. A periodic table us used to organize ________
  5. 9. Russian Chemist who created the first periodic table Dimitri___________
  6. 11. Silicon(14) has properties of metals and nonmetals. It is classified as a _______
  7. 12. particle that is 1/1840 the mass of a proton
  8. 15. the atomic number of oxygen, and the number of protons of oxygen
  9. 16. To find non-meals look on the _______ side of the periodic table