Periodic Table Vocabulary

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Across
  1. 3. uses the symbol of the element and dots to represent electrons and energy levels
  2. 8. atoms of the same element that have different numbers of neutrons
  3. 9. named in honor of Albert Einstein
  4. 10. element that typically is a hard, shiny solid, and is a good conductor of heat and electricity
  5. 12. a small positively charged center of an atom
  6. 16. particles with an electrical charge of 1-
  7. 17. the smaller particles that make up protons and neutrons
  8. 18. this element is usually found combined with sulfur
  9. 19. an arranged table of elements
Down
  1. 1. element that usually is a gas or brittle solid at room temperature is not malleable, or ductile, is a poor conductor of heat and electricity and typically is not shiny
  2. 2. a specific yellow fruit is a good source of this
  3. 4. horizontal rows of elements in the periodic table
  4. 5. the number of protons in an atom is equal to this
  5. 6. particals that do not have an electrical charge
  6. 7. the smallest piece of matter that still retains the property of the element
  7. 9. the area around the nucleus of an atom where its electrons are most likely found
  8. 11. discovered in Russia, but named after a state in the southeastern area of USA
  9. 13. gold dissolves in this element
  10. 14. a relatively rare, slightly orange metal
  11. 15. the vertical columns in the periodic table
  12. 20. the weighted average mass of the mixture of its isotopes