Across
- 1. elements with properties of metals and nonmetals
- 3. bond that transfers electrons between atoms
- 5. the change in heat of the products from the reactants
- 7. horizontal rows on the periodic table
- 8. the study of how heat is converted to and from other forms of energy
- 9. the total amount of energy; movement
- 10. philosopher who said that matter could broken into smaller parts
- 13. transition of substance directly from solid to gas
- 14. what matter is composed of
- 16. transition of substance directly from gas to solid
- 17. how close a series of measurements are to each other
- 18. an acid that donates more than one proton per molecule
- 20. bond that shares electrons by atoms
- 21. the number of figures that are known with some degree of reliability
Down
- 2. how close a measured value is to an accepted value
- 4. last name of man who created the first periodic table
- 6. a mixture that is not uniform
- 11. how strongly an atom attracts electrons
- 12. a mixture containing particles that settle out
- 15. an acid that donates on proton per molecule
- 19. vertical rows on the periodic table