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The long form electron configuration for carbon is simply 1s2 2s2 2p2. The noble gas shortcut electron configuration for C is [He] 2s2 2p2.
This expression when simplified comes to: 0
[He] 2s2 2p2
[He] 2s2 2p2
1s2, 2s2 2p2
[He] 2s2 2p2
30p3r3q
There are four electrons in the second energy level of carbon. Here's the electron configuration: 1s2 2s2 2p2 or [He] 2s2 2p2.
2p2-5p+2 = 0 (2p-1)(p-2) = 0 p = 1/2 and p = 2
1s2 2s2 2p2
Yes
1S2 2S2 2P2 (electronic configuration of carbon)