The correct answer is A; or 9.38x10^-3.
Explanation:
f=3.20x10^10 c= 3.00x10^8
Once you divide those by each other, your answer is 9.83x10^-3
Hope this helps!! :)
Answer:
The number of principle energy level increases and the number of valance electrons remain the same.
Make Me Brainliest.
A is 1. Each letter corresponds to what place they are in the alphabet