Electron Configuration:
How many electrons in a silicon atom have n = 3 as one of their quantum numbers?
How many electrons in a potassium atom have l = 0 as one of their quantum numbers?
How many electrons in a mercury atom have n = 4 as one of their quantum numbers?
Write the electron configurations for the following atoms and ions
Bi
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
3
1s
2
2s
2
3s
2
2p
6
3s
2
3p
6
1s
2
2s
2
sp
6
3s
2
3p
6
4s
2
3d
7
1s
2
2s
2
2p
6
3s
2
3p
6
Co
1s
2
2s
2
3s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
7
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
3
P
-3
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
3s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
3
1s
2
2s
2
sp
6
3s
2
3p
6
4s
2
3d
7
K
+1
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
3
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
sp
6
3s
2
3p
6
4s
2
3d
7
1s
2
2s
2
3s
2
2p
6
3s
2
3p
6
Which member of each pair has the greater negative electron affinity?
Se or
Br
Si or
Al
Na or
Cl
Which member of each pair has the larger radius?
Ca or
Mg
Al or
P
F
-1
or
F
Which member of each pair has the higher ionization energy?
He or
Ne
Na or
Mg
Ca or
Ca
+2
Answers