Unit 2 Project

Edit Answers
12345678910111213141516171819
Across
  1. 6. Another name for a row in the periodic table.
  2. 7. P
  3. 10. The elections on the outside shell of an atom.
  4. 13. A state of matter made up of charged and uncharged atoms and free electrons.
  5. 14. Ga
  6. 16. A control center of every cell, made up of protons and neutrons.
  7. 17. A subatomic particle located in the nucleus of an atom with a neutral charge.
  8. 18. Rings around the outside of the nucleus that holds electrons.
  9. 19. A subatomic particle located in the nucleus of an atom and has a positive charge.
Down
  1. 1. Anything that has mass and takes up space.
  2. 2. Columns:_________ as Rows:Periods
  3. 3. Number of protons in an atom.
  4. 4. The smallest unit of an element.
  5. 5. A subatomic particle located on the outer shell of an atom and has a negative charge.
  6. 6. A table that shows the elements by their atomic number.
  7. 8. A substance made of two or more elements that are chemically combined.
  8. 9. A substance that conducts heat and is well malleable.
  9. 11. Substance made up of one kind of atom.
  10. 12. Another name for families in the periodic table.
  11. 15. Kr