Across
- 3. - heavy for its size
- 5. - Heat and electricity do NOT move through easily
- 7. – can be drawn into thin wires
- 8. - Elements are made of unbelievably small particles
- 11. – elements with properties that fall between those of metals and nonmetals
- 13. a shiny surface or reflecting light brightly
- 15. - a pure substance that CANNOT be changed into simpler substances
- 16. – elements that are good conductors of electric current and heat
Down
- 1. – elements that are poor conductors of heat and electric current
- 2. – elements that form a bridge between the elements on the left and right sides of the table
- 4. - The modern periodic table is based on the number of _______.
- 6. - Break or shatter easily
- 9. – Russian chemist who developed the periodic classification of the elements
- 10. – Each row in the table of elements
- 11. – able to be hammered or pressed permanently out of shape without breaking or cracking
- 12. - Not shiny
- 14. – Each column in the periodic table
