101
24
48 minutes in 4/5 of a hour.
There are: 120/5 = 24
5/5=1 Keep this for later. so 2 5s used. Then do 5*5=25, so 5 5s used as 25 has a five in it, now do 1 - 25=24.
21 5s
well here is how i wud do it................ 5 x 5 - 1 = 24
In the Rb atom, the electron configuration is [Kr]5s^1. This means there is 1 electron in the 5s sublevel of the Rb atom.
7
20
75
90