Which of the following best defines Avogadro's number? A) Mass, in grams, of each particle of the substance

B) Number of particles in one mole of a pure substance

C) Mass, in grams, of the nucleus of the substance's atoms

D) Total mass, in grams, of all the particles in one mole of the substance

b

Explanation:

B) Number of particles in one mole of a pure substance

Explanation:

I got it right on my quiz :) hope this helps!

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.