Ułóż równania reakcji spalania podanych pierwiastków w tlenie: Fe(II), Na(I), P(V), Fe(III), Al.(III).
Fe(II),
2Fe + O₂ -> 2FeO
Na(I),
4Na + O₂ -> 2Na₂O
P(V),
P₄ + 5O₂ -> P₄O₁₀
Fe(III),
4Fe + 3O₂ -> 2Fe₂O₃
Al(III)
4Al + 3O₂ -> 2Al₂O₃
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Fe(II),
2Fe + O₂ -> 2FeO
Na(I),
4Na + O₂ -> 2Na₂O
P(V),
P₄ + 5O₂ -> P₄O₁₀
Fe(III),
4Fe + 3O₂ -> 2Fe₂O₃
Al(III)
4Al + 3O₂ -> 2Al₂O₃