Electron Configuration Quiz

Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d5?

• Br

• Mn

• Nb

• Tc

• none of the above

Which electron sublevel follows the 3d sublevel according to increasing energy?

• 3s

• 3p

• 4s

• 4p

• 4d

Which electron sublevel follows the 5p sublevel according to increasing energy?

• 4d

• 5d

• 5s

• 6s

• 6p

Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10?

• Ca

• Cd

• Kr

• Zn

• none of the above

Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s1?

• Al

• Ca

• K

• Na

• none of the above

What is the electron configuration for an atom of fluorine?

• 1s2 2s2 2p3

• 1s2 2s2 2p5

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2 3p5

• none of the above

Which electron sublevel follows the 4p sublevel according to increasing energy?

• 3d

• 4d

• 4s

• 5s

• 5p

What is the maximum number of electrons that can occupy an f energy sublevel?

• 2

• 6

• 10

• 14

• none of the above

Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s23d10 4p6 5s2?

• Ca

• Rb

• Sn

• Sr

• none of the above

What is the maximum number of electrons that can occupy an s energy sublevel?

• 2

• 6

• 10

• 14

• none of the above