Periodic Table Crossword Puzzle

12345678910111213141516171819
Across
  1. 4. elements in the same vertical column of the periodic table also called a family
  2. 8. a class of elements charactrized by physical properties that include shininess, malleability, ductility, and conductivity
  3. 11. symbol a one or two letter representation of an element
  4. 12. the destruction of a metal through which process
  5. 13. are substances that can conduct electricty under some conditions but not under other conditions
  6. 16. mass the average mass of all of all the isotopes of an element.
  7. 18. table used today, the properties of the elements repeat in each period or row of the table
  8. 19. metals the metals in Group 1, from lithium to francium are called
Down
  1. 1. number the sum of protons and neutrons in the nucleus of an atom.
  2. 2. gases the elements in Group 18 are known as the ..
  3. 3. is an element that lacks most of the properties of a metal
  4. 5. fusion is a process in which two atomic nuclei combine, forming a larger nucleus and releasing huge amounts of energy
  5. 6. material is one that can be hammered or rolled into flat sheets and other shapes
  6. 7. material is one that can be puled out or drawn into a long wire
  7. 9. have some characteristics of both metals and nonmetals
  8. 10. earth metals Group 2 of the periodic table contains the
  9. 12. the ability of an object to tansfer heat ot electricty to another object
  10. 14. metals the elements in Group 3 through 12 are called the
  11. 15. the ease and speed with which an element combines, or reacts, with other elements and compounds
  12. 17. molecules consists of two atoms
  13. 18. the table is organized in horizontal rows