Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
Which of the following expressions correctly gives the radius
r
n
r_n
r
n
of the
n
n
n
th orbit for a hydrogen-like ion in terms of the Bohr radius
a
0
a_0
a
0
, principal quantum number
n
n
n
, and atomic number
Z
Z
Z
? a)
r
n
=
n
2
a
0
Z
r_n = n^2 a_0 Z
r
n
=
n
2
a
0
Z
b)
r
n
=
n
a
0
Z
r_n = \dfrac{n a_0}{Z}
r
n
=
Z
n
a
0
c)
r
n
=
n
2
a
0
Z
r_n = \dfrac{n^2 a_0}{Z}
r
n
=
Z
n
2
a
0
d)
r
n
=
n
2
a
0
r_n = n^2 a_0
r
n
=
n
2
a
0
Browse the problem library