The electon arrangement of carbon is 2.4. what is the electron arrangement of oxygen?

oxygens electron arrangement is 2 electrons then 6 electrons and that's all hope whatever your doing goes well!>0

1st electron shell can hold 2 electrons; 2nd electron shell can hold 8 electrons; 3rd electron shell can hold 18 electrons; 4th electron shell can hold 32 electrons.

the valence is the outer level

2,8,3.