2023年11月21日 · Pure substances are made up of one type of element or compound. For example, table salt is a compound made up of one sodium atom and one chlorine atom. Purity is a measure of how pure a substance is.

2023年11月21日 · A compound is a pure chemical substance made of two or more different chemical elements. They contain a fixed ratio of atoms, held together by chemical bonds. They contain a fixed ratio of atoms ...

2024年5月22日 · Is pure water a mixture or a compound or an element? Pure water is a compound. It is composed of two elements, hydrogen and oxygen, chemically bonded together in a fixed ratio (H2O).

2024年6月21日 · Not exactly.Everyday sugar is sucrose, which is a disaccharide. That is a sugar which is made up of two sugar units: glucose and fructose. Glucose and fructose are monosaccharide sugars, which are ...

The composition of pure compounds is homogeneous, and the composition of pure compounds is invariable. The compounds that are a mixture of various elements or compounds also known as the pure substances as long as the mixture is homogeneous. when all three phases of a pure compound coexist, then it is called as the triple-phase of pure substances.

2024年6月10日 · It is a pure substance.Added:Chemically speaking alcohol is meant to be ethanol, which is a pure compound with formula CH3CH2OH, it definitely is not a mixture, except when 'dissolved' in water ...

2024年6月10日 · Pure water is a compound as it consists of two elements, hydrogen and oxygen. Its chemical formula is H2O.

2024年6月9日 · Firstly i would like to add that sodium is an element and not a compound. sodium is never pure as pure sodium ignites at ambient temperatures but it is also the 7th most abundant element found ...

2024年6月8日 · Pure water is a compound, not a mixture or an element. It is made up of two elements, hydrogen and oxygen, chemically bonded together in a fixed ratio to form the compound known as water (H2O).

2024年5月21日 · A pure compound is made up entirely of one substance that has a single chemical property. A mixture is made up of two or more pure compounds with distinct chemical properties.