Beryllium is primarily found in minerals such as bertrandite, beryl, and chrysoberyl. It is also found in the environment as a trace element in various rocks, coal, soil, and volcanic dust. Beryllium compounds are used in various industrial applications, such as aerospace, electronics, and defense.
Technetium is found in both in a compound and pure forms
Tin is typically found as the compound tin dioxide, also known as cassiterite.
Cloth is made from organic materials such as cotton, wool, or silk. These materials are derived from plants or animals, making cloth an organic compound.
Electricity is a physical phenomenon (flow of electrons in materials) not a compound, mixture or element.
Oatmeal is not a compound with a definite chemical formula; it is a mixture of materials.
Be3N2
0 and +2 oxidation states
The atomic number of beryllium is 4.
The compound is calcium fluoride (CaF2). It is an inorganic compound that is commonly used in the production of ceramics and optical materials. Calcium fluoride is also found naturally in the form of the mineral fluorite.
4 memorizing the periodic table up to carbon or so helps.
Hemihydrate refers to a chemical compound that contains half the amount of water molecules as the corresponding hydrate form. It is commonly found in some gypsum materials.
proteins
The best materials for building compound walls are typically concrete, brick, stone, or metal. These materials are durable, provide security, and can withstand various weather conditions.
Soil is neither an element nor a compound. It is a mixture.
Aluminum is the element found in a compound called bauxite.
Technetium is found in both in a compound and pure forms
Tin is typically found as the compound tin dioxide, also known as cassiterite.