Across
- 3. symbol is Mn
- 5. has all the same kind of atoms
- 7. every particle (atom or molecule) has exactly the same composition
- 10. 1 or 2 letters that represent an element
- 12. 2 or more elements chemically combined
- 14. smallest particle of an element that still acts like the element
- 15. all elements are found here
Down
- 1. symbols and subscripts that describe the composition of molecules
- 2. part of a mixture are noticeably different
- 4. can be separated by physical means
- 6. anything that has mass and takes up space
- 8. means written below
- 9. elemental symbols that don't match the name of the element come from this language
- 11. measurement of matter
- 13. 2 or more atoms chemically combined