Periodic Table

5. – Each column in the periodic table
7. - Break or shatter easily
9. - a pure substance that CANNOT be changed into simpler substances
12. - Elements are made of unbelievably small particles
13. – elements that are poor conductors of heat and electric current
14. - Having a shiny surface or reflecting light brightly
15. – elements with properties that fall between those of metals and nonmetals
16. – able to be hammered or pressed permanently out of shape without breaking or cracking
17. – Each row in the table of elements

1. - Heat and electricity do NOT move through easily
2. – can be drawn into thin wires
3. - heavy for its size
4. – elements that form a bridge between the elements on the left and right sides of the table
6. - The modern periodic table is based on the number of _______.
8. – elements that are good conductors of electric current and heat
10. - Not shiny
11. – Russian chemist who developed the periodic classification of the elements