Unit 2 Project

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