Perodic Table Crossword

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Across
  1. 3. Only Non-Metal in Group 1
  2. 5. Members of a family of an element that all have the same number of protons but different numbers of neutrons
  3. 6. Those which lack all the metallic attributes
  4. 10. Metal atoms have complete outer shells and thus do not tend to lose, gain, or share electrons
  5. 13. measures a material's ability to conduct electricity
  6. 17. One of the three subatomic particles that make up an atom
  7. 18. Devised the periodic Table
  8. 19. Elements that lose electrons easily, are lustrous, malleable, and are good conductors of heat and electricity.
Down
  1. 1. A column in the periodic table of the chemical elements
  2. 2. has more electrons than protons, consequently giving it a net negative charge.
  3. 3. Any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table
  4. 4. the number of protons in the nucleus
  5. 7. An element's ability to ionize (gain or lose electrons) or share electrons
  6. 8. A substance that cannot be broken down into simpler substances by chemical means
  7. 9. A row of chemical elements
  8. 11. A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule
  9. 12. The basic building block of chemistry
  10. 14. Chemical elements whose physical and chemical properties fall in between the metal and non-metal categories
  11. 15. A small, positively charged particle of matter found in the atoms of all elements.
  12. 16. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.