Across
- 2. Vertical column in a chart
- 4. change A change in color and the formation of bubbles
- 5. Atoms that are bonded to each other from a different element in material.
- 9. Material that only has one element or compound
- 12. The range of all possible frequencies of electromagnetic radiation
- 14. Horizontal rows in a chart
- 16. this is in all atoms
- 19. what model replicates an object?
Down
- 1. system that helps predict how something behaves.
- 3. dense, positively charged center of an atom where protons and neutrons reside
- 6. reaction form of percipitate and formation of a gas.
- 7. orbital A region within an atom where there is a high probability of finding an electron
- 8. Atoms of the same element with different numbers of neutrons
- 9. properties what property describes look or feel of a substance?
- 10. table elements are organized in what chart?
- 11. the same mass as protons
- 13. The sum of protons and neutrons in an atomic nucleus
- 15. formula measures the masses of its constituent elements.
- 17. property toxicity, and heat from combustion. this would be example of what?
- 18. bonds chemical bond