Across
- 3. Found in the nucleus, positive charge
- 5. The number of protons in an atom
- 7. a _________is a special type of mixture made up of liquids
- 8. Change A change in size, color or appearance. The final version has the same properties as it did before the change
- 10. The building blocks of all matter
- 14. Matter made of two or more types of atoms
- 16. ______ is a type of physical change when two or more objects are combined. Can be sorted out
- 17. does not have mass. A sign that change is occurring.
Down
- 1. solutions made in water can be reversed by removing water through this process.
- 2. The chart that all known elements are organized on
- 4. Found in the nucleus, no charge
- 6. Orbits the nucleus, negative charge
- 9. Take's up space. All of this is made of atoms
- 11. this is the center of the atom made up of protons and neutrons.
- 12. The number of protons plus neutrons
- 13. A ________Change A new object is created. Can not be undone.
- 15. Matter made up of one type of atom
