Across
- 2. elements consist of only one type of atom
- 4. matter with a composition given that it is always the same
- 7. is a substance that consists of just one type of atom
- 8. is a small particle that is a building block of matter
- 9. substances are not evenly mixed
- 13. positive charge and neutrons which have a natural charge
- 14. mixture is a type of mixture in which the individual substances are evenly mixed
- 15. is the atom of some elements that exist as groups.
- 17. a type of substance containing atoms of two or more different elements chemically bonded together
- 18. is anything that has mass and takes up space
- 19. dioxide is a compound composed of carbon and oxygen atoms
- 20. means to form a solution by mixing evenly
- 21. make up the nuceleus
Down
- 1. is metalloid
- 3. are between metals and nonmetals on the table
- 5. is a matter that can vary in compositions
- 6. is a type of mixture in which the
- 10. is the chemical formula for carbon dioxide
- 11. are to the tight on the table
- 12. Formulas are the combination of symbols and numbers that represents a compound
- 16. center of an atom