Answer:
Explanation:
The electron in the lowest energy state will be found in 1 s energy level.
set of 4 possible quantum numbers
Principal quantum no : n = 1 ,
Azimuthal quantum no l = 0
Magnetic quantum no m = 0
Spin quantum no s = + 1/2
set of other quantum nos
Principal quantum no : n = 1 ,
Azimuthal quantum no l = 0
Magnetic quantum no m = 0
Spin quantum no s = - 1/2
Answer:
A. we can use sulfuric acid to prepare PbSO4
There are 9 square meters in one square yard so divide 27.99 by 9
27.99/9=3.11
one square meter is $3.11
I hope I've helped!