period 3 oxides n acid n alkali

nao2

• hcl

• Na₂O (s) + 2HCl (aq) → 2NaCl (aq) + H₂O (l)

mgo

MgO (s) + 2HCl (aq) → MgCl₂ (aq) + H₂O (l)

al2o3

Al₂O₃ (s) + 3H₂SO₄ (aq) → Al₂(SO₄)₃ (aq) + 3H₂O (l) Al₂O₃ (s) + 2NaOH (aq) + 3H₂O (l) → 2NaAl(OH)₄ (aq) 

ampoteric

si02

SiO₂ (s) + 2NaOH (aq)  → Na₂SiO₃ (aq) + H₂O (l)

phosphorus oxide

P₄O₁₀ (s) + 12NaOH (aq)  → 4Na₃PO₄ (aq) + 6H₂O (l)

sulfur dioxide

SO₂ (g) + 2NaOH (aq)  → Na₂SO₃ (aq) + H₂O (l)

sulfer trioxide

SO₃ (g) + 2NaOH (aq)  → Na₂SO₄ (aq) + H₂O (l)