Category: Natural Sciences

  • Hafnium(IV) iodide

    Hafnium(IV) iodide, often represented by the chemical formula HfI4, is a chemical compound composed of hafnium (Hf) cations with a +4 oxidation state and iodide (I-) anions. It is one of the compounds in the hafnium-iodine system. Here are some key points about hafnium(IV) iodide: Synthesis: Hafnium(IV) iodide can be prepared by reacting hafnium metal…

  • Hafnium(IV) fluoride

    Hafnium(IV) fluoride, often represented by the chemical formula HfF4, is a chemical compound composed of hafnium (Hf) cations with a +4 oxidation state and fluoride (F-) anions. It is one of the compounds in the hafnium-fluorine system. Here are some key points about hafnium(IV) fluoride: Synthesis: Hafnium(IV) fluoride can be prepared by reacting hafnium metal…

  • Hafnium(IV) chloride

    Hafnium(IV) chloride, often represented by the chemical formula HfCl4, is a chemical compound composed of hafnium (Hf) cations with a +4 oxidation state and chloride (Cl-) anions. It is one of the compounds in the hafnium-chlorine system. Here are some key points about hafnium(IV) chloride: Synthesis: Hafnium(IV) chloride can be prepared by reacting hafnium metal…

  • Hafnium(IV) carbide

    Hafnium(IV) carbide, often represented by the chemical formula HfC, is a chemical compound composed of hafnium (Hf) cations with a +4 oxidation state and carbon (C) anions. It is a member of the transition metal carbides and is known for its exceptional hardness and high melting point. Here are some key points about hafnium(IV) carbide:…

  • Hafnium(IV) bromide

    Hafnium(IV) bromide, often represented by the chemical formula HfBr4, is a chemical compound composed of hafnium (Hf) cations with a +4 oxidation state and bromide (Br-) anions. It is one of the compounds in the hafnium-bromine system. Here are some key points about hafnium(IV) bromide: Synthesis: Hafnium(IV) bromide can be prepared by reacting hafnium metal…

  • Hafnium dioxide

    Hafnium dioxide, often represented by the chemical formula HfO2, is a chemical compound composed of hafnium (Hf) cations and oxygen (O) anions. It is a binary compound of hafnium and oxygen and is commonly referred to as hafnia. Here are some key points about hafnium dioxide: Properties: Hafnium dioxide is a refractory material with high…

  • Gold(III) sulfide

    Gold(III) sulfide, often represented by the chemical formula Au2S3, is a chemical compound composed of gold (Au) cations with a +3 oxidation state and sulfide (S2-) anions. It is one of the compounds in the gold-sulfur system and belongs to the class of gold chalcogenides. Here are some key features and points about gold(III) sulfide:…

  • Gold(III) selenide

    Gold(III) selenide, often represented by the chemical formula Au2Se3, is a chemical compound composed of gold (Au) cations with a +3 oxidation state and selenium (Se) anions. It is one of the compounds in the gold-selenium system and belongs to the class of gold chalcogenides. Here are some key features and points about gold(III) selenide:…

  • Gold(III) oxide

    Gold(III) oxide, often represented by the chemical formula Au2O3, is a chemical compound composed of gold (Au) cations with a +3 oxidation state and oxygen (O) anions. It is one of the compounds in the gold-oxygen system and belongs to the class of gold oxides. Here are some key points about gold(III) oxide: Synthesis: Gold(III)…

  • Gold(III) nitrate

    Gold(III) nitrate, often represented by the chemical formula Au(NO3)3, is a chemical compound composed of gold (Au) cations with a +3 oxidation state and nitrate (NO3-) anions. It is a salt that contains gold in its higher oxidation state. Here are some key points about gold(III) nitrate: Synthesis: Gold(III) nitrate can be prepared by reacting…