Periodic Table

12345678910111213
Across
  1. 3. elements not shiny, not malleable, and poor conductors
  2. 5. a row of elements
  3. 9. rearranged the elements in the periodic table by atomic number
  4. 10. named after royalty, these elements are very non-reactive and rare
  5. 11. elements that have some properties of metals and nonmetals
  6. 13. makes up 20% of air and is necessary for substances to burn
Down
  1. 1. metals from period 7 that are all radioactive
  2. 2. are soft and are very reactive
  3. 4. makes up 80% of air
  4. 6. elements that are shiny, malleable, and good conductors
  5. 7. a column of elements
  6. 8. stands apart on the periodic table because its properties do not match other types of elements
  7. 12. metals from period 6 that are often used to make steel