Across
- 5. density is equal to mass over _ _ _ _ _ _
- 6. is any substance composed of at least two atoms
- 12. is the formula that shows the number of each atom of each type in a molecule
- 14. the collection of units usually used in business and industries in the United States, but not in scientific works
- 15. the SI unit for length
- 17. mass, the combined atomic masses of each element in a compound
- 18. there are _ _ _ _ steps to calculate molar mass of a compound.
- 19. the prefix for values multiplied by 10^18
- 20. the first name of the scientist who proposed Avogadro's number
Down
- 1. International, SI stands for ______________________
- 2. the system utilized by scientists and most countries for their measurements
- 3. the SI scale for temperature
- 4. the number of atoms in a compound is determined by its _ _ _ _ _ _ _ _ _
- 7. is the molecular formula for table salt
- 8. composition, this tells you by mass the percent of each element present in a compound
- 9. is the formula with the simplest ratio of atoms in a compound
- 10. the unit of measurement used when calculating for molar mass (hint: there is a special character)
- 11. the SI unit for mass
- 13. the scale for temperature that is also called the centigrade
- 16. the standard scientific unit for measuring large quantities of small entities is called the _ _ _ _