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Answers:group 4A, aka 14, the Carbon group have 4 electrons in their outside shell two of those electrons pair up in the S-orbital the other two go into two of the P-orbitals, unpaired ... 1 electron in each your answer is that they have 2 unpaied electrons this is good: http://intro.chem.okstate.edu/AP/2004Norman/Chapter7/Lec111000.html ========================== that said, carbon often will energize an S-orbital electron to the third P-orbital & have 4 unpaied electrons, but you didn't ask for energized
Answers:1) 5 unpaired 3d electrons. 2) 4 unpaired 3d electrons.
Answers:The electronic configuration for Ni is [Ar] 3d8 4s2, therefore 2+ oxidation state loses the 2 electrons from the 4s2 orbital. This leaves us with 8 electrons in the 3d shell whereby the maximum number is 10, we therefore have 2 unpaired electrons. Bottom level (t2g) of the crystal splitting diagram has (2) (2) (2), and the next level (eg) has (1) (1).
Answers:C: [He] 2s^2 2p^2 ( ), O: [He] 2s^2 2p^4 ( ) Ti: [Ar] 3d^2( ) 4s^2 Si: [Ne] 3s^2 3p^2 ( ) I'll let you count them up. ;)