Across
- 3. provides the connection between the number of moles in a pure sample of a substance and the number of constituent particles (or formula units) of that substance.
- 7. is the mass of one mole of a substance
- 8. mass of one mole of atoms of elements in grams
- 10. the average mass of the weighted mass of atoms naturally occurring sample of an element
Down
- 1. is a number of particles defined by Avogadro's constant simplifies the number of particles in a substance.
- 2. is the charge number an atomic nucleus
- 4. unit of mass of an atom and subatomic particles
- 5. positive charge ions
- 6. are atoms of the same element having different masses due to varying numbers of neutrons.
- 9. negative charge ions