Question

Скласти формули речовин Алюміній оксид Магній гідроксид Карбон (ІV) оксид Манган (VІІ) оксид Кальцій хлорид Натрій сульфат Хром (ІІ) гідроксид

Answer 1

Ответ:

Алюміній оксид - Al2O3

Магній гідроксид - Mg(OH)2

Карбон (ІV) оксид - CO2

Манган (VІІ) оксид - Mn2O7

Кальцій хлорид - CaCl2

Натрій сульфат - Na2SO4

Хром (ІІ) гідроксид Cr(OH)2

Answer 2

Chemical Formulas of Substances

To form the chemical formulas of the given substances, we need to consider the chemical symbols of the elements involved and their respective charges. Here are the chemical formulas for the substances you've mentioned:

1. Aluminum Oxide: The chemical formula for aluminum oxide is Al2O3. 2. Magnesium Hydroxide: The chemical formula for magnesium hydroxide is Mg(OH)2. 3. Carbon (IV) Oxide: The chemical formula for carbon (IV) oxide, also known as carbon dioxide, is CO2. 4. Manganese (VII) Oxide: The chemical formula for manganese (VII) oxide is Mn2O7. 5. Calcium Chloride: The chemical formula for calcium chloride is CaCl2. 6. Sodium Sulfate: The chemical formula for sodium sulfate is Na2SO4. 7. Chromium (II) Hydroxide: The chemical formula for chromium (II) hydroxide is Cr(OH)2.

These chemical formulas represent the combination of elements in the given substances based on their respective charges and valencies.