Across
- 5. weight of an atom
- 6. a science that deals with the structure and properties of substances and with the changes that they go through
- 8. the creator of the periodic table
- 11. how an element reacts with other elements
- 13. a substance that cant be broken down into a simpler substance
- 15. a display of the elements
- 17. something created from a chemical reaction
- 18. a change where a substance is altered but it does not become another substance
- 19. a substance that changes during a reaction
- 20. smallest part of an element
Down
- 1. a subatomic particle in an atom that has a negative charge
- 2. a homogeneous mixture of two or more substances
- 3. a thing made up of two or more elements
- 4. a change where a substance changes into another
- 7. a mixture that is the same
- 9. the center of an atom
- 10. How an element looks, feels, weighs, etc
- 12. the creation of a solid from a solution
- 14. a subatomic particle inside an atom that does not have an electrical charge
- 16. one of my favorite things at school
- 18. a subatomic particle inside an atom that has a positive charge