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WorksheetsNF2F - Electronic Configuration
Total questions: 10
Worksheet time: 10mins
1s22s22p63s23p64s23d10
Which electronic configuration matches an oxygen atom?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
The electronic configuration of an atom is 1s22s22p6. The number of valence electrons in the atom is
3
6
8
10
What is the electronic configuration for this atom?
1s22s22p6
1s22s22p5
1s22s22p3
2s22p3
How many electrons can the third shell have?
Two
Eight
Five
Three
Which one of the following is the electronic configuration of the bromine atom?
1s22s22p63s23p63d104s14p6
1s22s22p63s23p63d104s24p7
1s22s22p63s23p63d104s24p5
1s22s22p63s23p63d104s24p6
The vanadium atom (atomic number 23) in its ground state has the electronic configuration:
1s2 2s2 2p6 3s2 3p6 3d3 4s2
1s2 2s2 2p6 3s2 3p6 3d2 4s3
1s2 2s2 2p6 3s2 3p6 3d1 4s2 4p2
1s2 2s2 2p6 3s2 3p6 3d2 4s2 4p1
Which one of the following does not represent the electronic configuration of an atom in its ground state?
1s2 2s2 2p3
1s2 2s2 2p4
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3d1
The number of electrons in the 3d orbital of the atom of atomic number 27 is
5
6
7
10
