Elements and the Periodic Table

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Across
  1. 4. The particle in an atom with no charge
  2. 5. The specific amount of energy an object has
  3. 6. The ability for an object to conduct heat
  4. 8. An abbreviation of a chemical name
  5. 11. An arrangement of all the elements in a pattern according to the element and the atomic mass
  6. 13. The protons and neutrons added together
  7. 15. Salt forming
  8. 16. The number of protons in an atom
  9. 17. The average mass of the isotopes in an element
  10. 18. A type of element that has some properties of metals, and some of nonmetals
  11. 20. The speed in which one substance reacts to another
Down
  1. 1. The gradual wearing away of metal due to chemicals
  2. 2. A type of element that does not gain, lose, or share electrons
  3. 3. The ability for an object to transfer an electric current
  4. 7. elements that conduct current and heat easily
  5. 9. The smallest particle of an element
  6. 10. Substances that can conduct an electric current under some but not all conditions
  7. 12. The negatively charged particles in an atom
  8. 14. An element that has none of the properties of a metal
  9. 19. The positively charged particles in an atom
  10. 21. Atoms that are the same element but do not have the same amount of Neutrons