Periodic table

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Across
  1. 2. Travels on the outside of the nucleus of an atom
  2. 6. A particle that lost or gained a electron
  3. 7. Inside the nucleus has no charge
  4. 10. The number above the symbol
  5. 12. hydrogen is the most common
  6. 14. Basic building block of matter
  7. 16. Metal wires are considered
  8. 17. An important family in group 1A
  9. 19. Same protons and electrons but different neutrons
  10. 22. The place that has neutrons and protons
  11. 24. When you hammer something without breaking it means it is
  12. 26. The up and down of a periodic table
  13. 27. the ability of a substance to interact chemically with a second substance
  14. 30. Elements on the step like line of the periodic table
Down
  1. 1. This family is highly metallic and are good conductors of electricity
  2. 3. a substance that is not chemically reactive
  3. 4. It’s brittle and are poor electrical conductors
  4. 5. The horizontal rows of a periodic table
  5. 8. The place where electrons are
  6. 9. atoms, An example of this is 6 protons with 6 neutrons and 6 electrons
  7. 11. Helium and Argon are apart of what family?
  8. 13. two hydrogen atoms bond covalently to form an H2 molecule
  9. 15. Gold and iron are classified as
  10. 18. Inside the nucleus with a positive charge
  11. 20. A one or two letter abrrievation
  12. 21. Proteins and carbohydrates are
  13. 23. Group with most active non metals
  14. 25. Synonym for shine
  15. 28. Water and salt are both classified as
  16. 29. 15.99 is the ______ for Oxygen