4Al + 3O₂ → 2Al₂O₃
m(Al)=54 g
M(Al)=27 g/mol
n(Al₂O₃)=n(Al)/2
n(Al)=m(Al)/M(Al)
n(Al₂O₃)=m(Al)/{2M(Al)}
n(Al₂O₃)=54/{2*27}= 1 mol
J.J Thomson was the one who discovered the electron so your answer is 5. or E
Answer:
its compound option c compound comprises of two or more atoms
Answer: el estudio de la síntesis, estructura, reactividad y propiedades del diverso grupo de compuestos químicos construidos principalmente de carbono
Explanation:Hope I helped:)
