Atoms Study Guide

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Across
  1. 2. WHAT FORM OF MATTER ARE MOST METALS AT ROOM TEMPERATURE? (GAS, LIQUID, OR SOLID)
  2. 3. THIS WORD COMES FROM GREEK AND MEANS NOT ABLE TO BE DIVIDED
  3. 7. ELEMENTS ARE ARRANGED ON THE PERIODIC TABLE BY WHAT NUMBER?
  4. 13. MOST OF THE ELEMENTS IN THE PERIODIC TABLE ARE TO LEFT OF THE ZIGZAG LINE, MEANING THEY ARE __________.
  5. 14. EVERY ATOM OF A GIVEN ELEMENT HAS THE SAME NUMBER OF THESE
  6. 15. THESE METALS ARE ESPECIALLY GOOD CONDUCTORS
  7. 17. THESE ATOMS OF THE SAME ELEMENT HAVE A DIFFERENT MASS NUMBER
  8. 18. METALS HAVE THIS PROPERTY, MEANING THEY ALLOW THE TRANSFER OF ENERGY DIRECTLY THROUGH
  9. 19. OUTSIDE OF THE NUCLEUS, THE PLACE WHERE ELECTRONS ARE FOUND
Down
  1. 1. THE NUMBER OF PROTONS + NEUTRONS
  2. 4. WHAT DO WE CALL THE ELEMENTS ALONG THE ZIGZAG LINE?
  3. 5. SILICON IS A METALLOID ESSENTIAL TO MAKING THESE
  4. 6. THESE METALS, WHILE NOT AS REACTIVE AS ALKALI METALS, CONDUCT THERMAL ENERGY
  5. 8. ELEMENTS TO RIGHT OF THE ZIGZAG LINE ON THE PERIODIC TABLE
  6. 9. OCCURRING AT REGULAR INTERVALS, THIS IS HOW THE ELEMENTS ARE ARRANGED IN A ROW
  7. 10. THE SUBATOMIC PARTICLE WITH THE LEAST MASS
  8. 11. POSITIVELY CHARGED CENTER OF THE ATOM
  9. 12. WHAT DO WE CALL A HORIZONTAL ROW ON THE PERIODIC TABLE?
  10. 16. A VERTICAL COLUMN IN THE PERIODIC TABLE