Across
- 2. this person arranged the periodic table in 1914
- 4. this person created the periodic table
- 6. a decent conductor of electricity
- 7. a poor conductor of electricity
- 8. a chart that organizes information about all of the known elements according to their properties
- 9. the periodic table was arranged by increasing ______ ____
Down
- 1. a substance that cannot be broken down into a simpler substance by ordinary chemical means
- 3. the law that states the properties are in order of increasing atomic mass
- 5. a good conductor of heat and electricity
- 8. A regular repeating pattern