Answer:
1. n=3
2.n=4
Explanation:n is the number infront of the orbital that representgsthe energy level
a. n = 3
b. n = 4
Explanation:
n is just the number in front of the orbital, as n represents the energy level of the orbital.
U-235 is an isotope of uranium
The most stable form of uranium isotopes is 235. (0.7198–0.7202%)
its iron not m or e
