How many particles are in one mole? A.
6.022 × 1023
B.
2.066 × 1023
C.
6.023 × 1022
D.
3.026 × 1022

The answer is A

Explanation:

Because when you look at it you would think of 6.022 and then you would multipy it by 1023, there for a ia correct

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.