Question
Avogadro number represents A. the number of molecules contained in one mole of molecules B. the number of atoms contained in 6,02times 10^23g of a substance C. the number of protons contained in an atom D. the number of protons, neutrons, and electrons contained in 1 g of atoms E. the number of molecules contained in 100 g of a substance
Answer
4.2
(285 Votes)
Holly
Master · Tutor for 5 years
Answer
B. The number of atoms contained in
of a substance
Explanation
## Step 1Avogadro's number, denoted by
, represents the number of constituent particles (atoms, molecules, ions) in one mole of a substance. It is approximately equal to
.## Step 2Let's evaluate each option:A. This statement is partially correct but not precise as it mentions "molecules contained in one mole of molecules," which can be misleading.B. This statement correctly describes Avogadro's number as the number of atoms present in
grams or one mole.C and D are incorrect statements regarding what Avogadro’s Number represents since they refer to protons only for C and include neutrons and electrons unnecessarily for D.E does not accurately describe Avogadro’s Number.#