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What physical state is silver at melting temperature?
Any pure substance, including silver, at melting temperature can be either liquid, solid, or both. That is the defining characteristic of the melting temperature.
What state can potassium be found in?
Potassium is a highly reactive metal that is typically found in a solid state at room temperature. It is usually encountered in nature in the form of compounds, such as potassium chloride or potassium sulfate, rather than in its pure elemental form. In the periodic table, potassium is classified as an alkali metal, and it is soft and silvery-white in appearance when freshly cut. Due to its reactivity, especially with water, potassium is stored under oil or in inert atmospheres to prevent it from reacting with moisture or oxygen.
What is fusion temperature of pure silica?
The fusion temperature of pure silica, also known as silicon dioxide or quartz, is around 1713 degrees Celsius. At this temperature, silica transforms from a solid state to a liquid state.
Is KCl a mixture or pure substance?
Potassium is a metallic element and a member of the Alkali Metal group, it has the symbol K which is derived from its old name of Kalium.
Why is potassium a pure substance?
Potassium is a chemical element.
What is the colour of potassium cloride?
Pure potassium chloride is a colorless/white solid.
Is pure potassium metallic or covalent?
Potassium is a metallic element; therefore, in pure form it has metallic bonds.
Is potassium bromide a pure substances?
This is an ionic compound and if it is not mixed in solution or found with other substances, it is pure.
Is potassium metal a pure substance or a mixture?
Potassium metal is a pure substance. In fact, it is an element as well. The reason potassium metal is an element is that it only contains one type of atom (all atoms of potassium have the same number of protons).
How are pure substances and mixtures different?
Both mixtures and pure substances have measurable and observable chemical properties and physical properties. A liquid mixture vaporizes over a temperature range; whereas, a pure substance boils at a fixed temperature.
Is calcium chloride and potassium chloride crystals in a beaker a pure substance?
Calcium chloride and potassium chloride are pure substances.
What is the physical state of pure caffeine crystal?
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