Chemistry Crossword

4. has lustre, malleable, conductive, and ductile
5. change from a gas to a solid
6. a cloudy mixture that can be separated
7. heat is absorbed during a chemical reaction
9. not as reactive as alkali but are still very reactive
12. an experiment where all the elements created in the reaction are counted for
13. most stable and nonreactive elements
15. compounds that only include non-metals
23. designed to keep protect those who may encounter these elements at work
24. compounds that include at least one metal
25. most reactive non-metals

1. when oxygen reacts with a metal and the metal begins to decompose
2. most reactive metals
3. invented the billiard ball method for the atom
8. Invented the raisin bun theory for the atom
10. change from a liquid to a gas
11. a type of mixture where you can see the different substances that make up the item (a cookie)
14. developed the theory that there was electron shells around a nucleus
16. heat is released during a chemical reaction
17. an experiment where one or more elements may escape in a chemical reaction
18. change in the physical appearance or state that does not change composition
19. believed the atom resembled a planetary model
20. a mixture that appears to be one substance
21. change from a solid to a liquid
22. a cloudy mixture that can not be separated