NEW
Font size
WorksheetsElectron Configurations
Total questions: 10
Worksheet time: 8mins
Which of the following subshells holds the most electrons?
s
p
d
f
Which of the following subshells holds the least electrons?
s
p
d
f
Which of the following elements is located in the 5p subshell?
Pb
Sb
Ag
Au
Which element has the following electron configuration:
1s2 2s2 2p6 3s2 3p2
Mg
Al
Si
P
What is the correct electron configuration for strontium (Sr)?
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
What is written at the beginning of a condensed electron configuration?
In brackets, the noble gas located at the far right of the same horizontal row on the table.
In brackets, the noble gas located at the far right of the preceding horizontal row on the table.
What is the correct condensed electron configuration for potassium (K)?
[Ar] 4s1
[Kr] 4s1
[Ar] 4s2
[Kr] 4s2
Which of the following elements is an exception to the normal rules of electron configuration?
lead (Pb)
tungsten (W)
iron (Fe)
chromium (Cr)
What is the correct condensed electron configuration for silver (Ag)?
[Kr] 5s1 4d10
[Xe] 5s1 4d10
[Kr] 5s2 4d9
[Xe] 5s2 4d9
What is the correct condensed electron configuration for the ion Ca2+?
[Ar]
[Ar] 4s2
[Kr]
[Kr] 4s2
