Across
- 1. number of valence electrons of oxygen
- 3. moles divided by liters
- 4. Al2(SO4)3 contains how many sulfate ions?
- 7. the number of significant digits in 1.0002
- 8. a bond type that exists between a metal and nonmetal.
- 9. a student measures a 15mL sample to be 23mL. The student checks again and gets 23mL. The student checks a third time and gets 23mL. Accurate or Precise?
- 12. Celsius + 273.15
- 14. four carbon dioxide molecules would contain how many oxygen atoms?
- 17. number of protons oxygen atoms have.
- 18. molar mass of water (in words)
- 19. The current model of the atom
- 21. Sulfur-32 has less __________ than Sulfur-34.
- 23. 3x10^5
Down
- 1. A + B = AB (a chemical reaction type where two things become one)
- 2. equilibrium: a balance of products and __________.
- 5. the number of carbon atoms it takes to make a single C4H10.
- 6. This, along with pressure, increases when temperature increases.
- 9. a formula often used in lab to describe accuracy of your result.
- 10. a bond type that shares electrons
- 11. triphosphorus pentanitride
- 13. measures the hydrogen ion concentration, below 7 is acidic
- 15. the molecular geometry of water
- 16. The solid sphere/billiard ball model was the first model of the _____.
- 20. formula for aluminum chloride.
- 22. the pressure inside an container that contains two gases, each at 250 psi