Across
- 3. Model / Diagram of the element that shows the nucleus,electrons, and energy levels of each element
- 5. / All substances look the same throughout
- 6. electrons / The electrons found in the outermost area of an atom
- 10. / Has an indefinite shape and volume
- 11. / The measure of the amount of matter
- 13. / Physically combined substance made of 2 or more substances
- 14. / Chemically combined substance made of 2 or more atoms
- 15. / State of matter with increased energy that flows and does not have a shape
Down
- 1. / Chemically combined substance made of 2 or more different atoms
- 2. / Chemically combined pure matter
- 4. / Visibly different substances throughout
- 7. Dot Diagram / Shows the chemical symbol and valence electrons of an element
- 8. / Anything that has mass and volume
- 9. / A substance made of one type of atom
- 12. / Definite shape and volume
