Answer:
We are trying to figure out the Intensity of Light
-2? if wrong im sorry please tell me what I did that was incorrect ty Explanation:
A. He arranged the first periodic table.
Explanation:
harmless
...............
We use the following formula to calculate the number of atoms:
n (mol) = N(number of atoms) / NA
N(He) = n(mol) · NA
N(He) = 2,0 moles · 6.02·1023 = 12.04·1023 atoms
A B D