2C4H10+13o2= 8CO2+10H2O
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1.1 Carbon is the sixth element in the periodic table.
(IV A)
1.2 electric configuration: O⁸ (He²) 2s² 2p⁴ .
atomic number: 8
1.3 protons= 8 , electron = 7
1.4 oxygen has 6 valence electrons .
carbon has 4 valence electrons.
1.5 the answer is in the photo.
