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- https://chem.libretexts.org/Courses/Westminster_College/CHE_180_-_Inorganic_Chemistry/13%3A_Chapter_13_-_s-Block_Elements/13.9%3A_Group_2/Chemistry_of_Calcium_(Z%3D20)/Calcium_SulfideCalcium sulfide, CaS, crystallizes in cubes like rock salt and occurs as oldhamite in nature. CaS has an odor of rotten eggs, which stems from H 2 S formed by hydrolysis of the calcium sulfide. It als...Calcium sulfide, CaS, crystallizes in cubes like rock salt and occurs as oldhamite in nature. CaS has an odor of rotten eggs, which stems from H 2 S formed by hydrolysis of the calcium sulfide. It also occurs as a by-product of the Leblanc process, which was in heavy use in the 19 th century before the invention of the Solvay process. In the presence of traces of heavy metals CaS becomes phosphorescent (like many other sulfides such as zinc sulfide or cadmium sulfide).
- https://chem.libretexts.org/Courses/Westminster_College/CHE_180_-_Inorganic_Chemistry/13%3A_Chapter_13_-_s-Block_Elements/13.9%3A_Group_2/Chemistry_of_Barium_(Z%3D56)/Barium_SulfateBarium sulfate, BaSO4, is a white crystalline solid that is insoluble in water (solubility product Ksp=1.1×10−10). The main commercial source of barium sulfate is the mineral b...Barium sulfate, BaSO4, is a white crystalline solid that is insoluble in water (solubility product Ksp=1.1×10−10). The main commercial source of barium sulfate is the mineral baryte, which is normally highly impure. In order to produce highly pure barium sulfate, barium sulfide or barium chloride is treated with sulfuric acid: Most of the synthetic barium sulfate is used as a white pigment (together with TiO2 or ZnS) for paints.
- https://chem.libretexts.org/Courses/University_of_Kentucky/UK%3A_General_Chemistry/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.09%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/Chemistry_1e_(OpenSTAX)/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.09%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Bookshelves/Analytical_Chemistry/Supplemental_Modules_(Analytical_Chemistry)/Qualitative_Analysis/Properties_of_Select_Nonmetal_Ions/Sulfate_Ion_(SO)Sulfate ion is a very weak base. Because it is such a weak base, sulfate ion undergoes negligible hydrolysis in aqueous solution.
- https://chem.libretexts.org/Courses/CSU_San_Bernardino/CHEM_2200%3A_General_Chemistry_II_(Mink)/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.10%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/Chemistry_2e_(OpenStax)/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.09%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Courses/City_College_of_San_Francisco/Chemistry_101B/07%3A_Representative_Metals_Metalloids_and_Nonmetals/7.09%3A_Occurrence%2C_Preparation%2C_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Workbench/OpenStax_Chemistry_Remixed%3A_Clovis_Community_College/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.10%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
- https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)/Descriptive_Chemistry/Elements_Organized_by_Block/1_s-Block_Elements/Group__2_Elements%3A_The_Alkaline_Earth_Metals/Z056_Chemistry_of_Barium_(Z56)/Barium_SulfateBarium sulfate, BaSO4, is a white crystalline solid that is insoluble in water (solubility product Ksp=1.1×10−10). The main commercial source of barium sulfate is the mineral b...Barium sulfate, BaSO4, is a white crystalline solid that is insoluble in water (solubility product Ksp=1.1×10−10). The main commercial source of barium sulfate is the mineral baryte, which is normally highly impure. In order to produce highly pure barium sulfate, barium sulfide or barium chloride is treated with sulfuric acid: Most of the synthetic barium sulfate is used as a white pigment (together with TiO2 or ZnS) for paints.
- https://chem.libretexts.org/Courses/CSU_San_Bernardino/CHEM_2100%3A_General_Chemistry_I_(Mink)/18%3A_Representative_Metals_Metalloids_and_Nonmetals/18.10%3A_Occurrence_Preparation_and_Compounds_of_OxygenOxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxyg...Oxygen is one of the most reactive elements. This reactivity, coupled with its abundance, makes the chemistry of oxygen very rich and well understood. Compounds of the representative metals with oxygen exist in three categories (1) oxides, (2) peroxides and superoxides, and (3) hydroxides. Heating the corresponding hydroxides, nitrates, or carbonates is the most common method for producing oxides. Heating the metal or metal oxide in oxygen may lead to the formation of peroxides and superoxides.
