Question

2. Назвіть речовини, формули яких: Р,03, N,O3, Cl,O,, CrO3, CrO, Cu(OH)2, CuOH, Mn(NO3)₂, BaSO, BaSO,, BaS, Fe(OH), AICI,. Помогите ​

Answer 1

1. Р2O3 - Дифосфід триоксид (фосфор (III) оксид)

2. N2O3 - Діазотриоксид (азот (III) оксид)

3. Cl2O7 - Дихлоргептоксид (хлор (VII) оксид)

4. CrO3 - Хром (VI) оксид

5. CrO - Хром (II) оксид

6. Cu(OH)2 - Гідроксид міді (II)

7. CuOH - Гідроксид міді (I)

8. Mn(NO3)2 - Нітрат марганцю (II)

9. BaSO4 - Сульфат барію

10. BaSO3 - Сульфіт барію

11. BaS - Сульфід барію

12. Fe(OH)3 - Гідроксид заліза (III)

13. AlCl3 - Хлорид алюмінію

Answer 2

#### Chemical Formulas of the Given Substances: 1. **R** - The symbol "R" is commonly used in chemistry to represent an alkyl group, which is a hydrocarbon chain derived from an alkane by removing one hydrogen atom. The specific formula for "R" would depend on the context or specific alkyl group being referred to. 2. **O3** - Ozone is a triatomic molecule consisting of three oxygen atoms. Its chemical formula is O3. 3. **NO3** - Nitrate is a polyatomic ion composed of one nitrogen atom bonded to three oxygen atoms. Its chemical formula is NO3-. 4. **ClO2** - Chlorine dioxide is a yellowish-green gas composed of one chlorine atom bonded to two oxygen atoms. Its chemical formula is ClO2. 5. **CrO3** - Chromium trioxide is an inorganic compound composed of one chromium atom bonded to three oxygen atoms. Its chemical formula is CrO3. 6. **CrO** - Chromium(II) oxide is an inorganic compound composed of one chromium atom bonded to one oxygen atom. Its chemical formula is CrO. 7. **Cu(OH)2** - Copper(II) hydroxide is an inorganic compound composed of one copper atom bonded to two hydroxide ions. Its chemical formula is Cu(OH)2. 8. **CuOH** - Copper(I) hydroxide is an inorganic compound composed of one copper atom bonded to one hydroxide ion. Its chemical formula is CuOH. 9. **Mn(NO3)2** - Manganese(II) nitrate is an inorganic compound composed of one manganese atom bonded to two nitrate ions. Its chemical formula is Mn(NO3)2. 10. **BaSO3** - Barium sulfite is an inorganic compound composed of one barium atom bonded to one sulfite ion. Its chemical formula is BaSO3. 11. **BaSO4** - Barium sulfate is an inorganic compound composed of one barium atom bonded to one sulfate ion. Its chemical formula is BaSO4. 12. **BaS** - Barium sulfide is an inorganic compound composed of one barium atom bonded to one sulfur atom. Its chemical formula is BaS. 13. **Fe(OH)3** - Iron(III) hydroxide is an inorganic compound composed of one iron atom bonded to three hydroxide ions. Its chemical formula is Fe(OH)3. 14. **AlCl3** - Aluminum chloride is an inorganic compound composed of one aluminum atom bonded to three chlorine atoms. Its chemical formula is AlCl3. Please let me know if there's anything else I can help you with!