Cards (76)

  • What are Period 3 oxides formed by?
    Elements in Period 3
  • Which acidic oxide is commonly used as an example?
    Sulfur trioxide
  • What are two examples of basic oxides?
    Sodium oxide and magnesium oxide
  • What type of reaction occurs when an acidic oxide reacts with a base?
    Neutralization
  • What is the product when magnesium oxide reacts with sulfuric acid?
    Magnesium sulfate
  • Basic oxides combine with acids to create salts and water.
    True
  • What type of oxides react with both acids and bases?
    Amphoteric
  • Arrange the steps of how amphoteric oxides react with acids:
    1️⃣ Amphoteric oxide behaves as a base
    2️⃣ Acid is neutralized
    3️⃣ Salt and water are formed
  • What are amphoteric oxides capable of behaving as?
    Both acids and bases
  • Silicon dioxide reacts with sulfuric acid to form silicic acid.

    True
  • What salt is formed when silicon dioxide reacts with sodium hydroxide?
    Sodium silicate
  • Acidic oxides react with water to form acids
  • Match the oxide type with its reaction with water:
    Acidic ↔️ Forms acids
    Basic ↔️ Forms alkalis
    Amphoteric ↔️ Acts as both acids and bases
  • Sodium oxide is a basic Period 3 oxide.

    True
  • Basic oxides react with water to form acids.
    False
  • What are the products formed when sulfur trioxide reacts with sodium hydroxide?
    Sodium sulfate and water
  • Sodium oxide reacts with hydrochloric acid to form sodium chloride
  • Sodium oxide reacts with water to form sodium hydroxide.

    True
  • Amphoteric oxides react with water to form only neutral solutions.
    False
  • What are acidic oxides defined as?
    Oxides that form acids
  • What is the product of the reaction between sodium oxide and water?
    Sodium hydroxide
  • Give an example of an acidic oxide.
    Sulfur trioxide
  • Amphoteric oxides can react with water to form both acids and bases.

    True
  • What is the primary energy source for decomposing oxides?
    Heat
  • Basic oxides like Na₂O and MgO are generally more stable and require higher temperatures to decompose.
    True
  • Match the Period 3 oxides with their applications:
    SO₃ ↔️ Production of sulfuric acid
    MgO ↔️ Refractory material
    SiO₂ ↔️ Glass production
    P₂O₅ ↔️ Production of phosphoric acid
  • Match the oxide type with its description:
    Acidic ↔️ Reacts with water to form acids
    Basic ↔️ Reacts with water to form alkalis
    Amphoteric ↔️ Reacts as both acids and bases
  • Phosphorus pentoxide is an example of a basic oxide.
    False
  • Match the acidic oxide with a base and its product:
    SO₃ ↔️ 2NaOH → Na₂SO₄ + H₂O
    P₂O₅ ↔️ 3Ca(OH)₂ → 2Ca₃(PO₄)₂ + 3H₂O
  • Sodium oxide reacts with hydrochloric acid to produce sodium chloride and water.

    True
  • Basic oxides react with acids in a process called neutralization
  • Magnesium oxide (MgO) is a basic oxide.
    True
  • Basic oxides neutralize acids by donating oxygen.

    True
  • When amphoteric oxides react with bases, they behave as acids
  • Order the steps of the reaction between aluminium oxide (Al₂O₃) and hydrochloric acid (HCl):
    1️⃣ Al₂O₃ + 6HCl
    2️⃣ 2AlCl₃ + 3H₂O
  • Aluminium oxide reacts with sodium hydroxide to form sodium aluminate.

    True
  • Order the steps of the reaction between silicon dioxide (SiO₂) and sulfuric acid (H₂SO₄):
    1️⃣ SiO₂ + 2H₂SO₄
    2️⃣ H₂SiO₃ + 2H₂O
  • Basic oxides react with water to form alkalis.

    True
  • What is an example of a Period 3 oxide that reacts with water to form an acid?
    Sulfur trioxide
  • Acidic oxides react with water to form acids