Respuesta :

timo86

Answer:

[tex]1s^{2}[/tex] [tex]2s^{2}[/tex] [tex]2p^{2}[/tex]

Explanation:

Simply [tex]1s^{2}[/tex] [tex]2s^{2}[/tex] [tex]2p^{2}[/tex]

Coal has two valent electrons, so there is 2 in 2p orbital

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