Calcium is an element. It is neither.
Calcium bromide, CaBr2, is a compound. It is not an element, because elements are individual species and they are found in the periodic table. It is not a homogeneous or heterogeneous mixture, because it is a single entity.
Calcium chloride is an ionic compound, in which calcium and chlorine are chemically combined, forming a pure substance, and as such is homogeneous, but not like a homogeneous mixture. A homogeneous mixture is made of components that are notchemically combined.
Playdough is homogeneous because it is a mixture with uniform properties throughout.
Plaster is neither a homogeneous nor heterogeneous mixture. Plaster (gypsum) is a compound, Plaster of Paris / Calcium Sulfate or also called Gypsum is composed of calcium sulphate (CaSO4) and water (H2O). Its chemical name is calcium sulphate dihydrate (CaSO4. 2H2O).
Chalk is a heterogeneous substance because it is composed of various materials such as calcium carbonate, quartz, clay, and other minerals. These materials are not uniformly distributed throughout the chalk, resulting in a non-uniform composition.
It's an element. Check your periodic table.
hetergeneous
Heterogenous
heterogeneous
Heterogeneous
If it's got pulp in it, it would be heterogeneous -- otherwise, it is homogeneous.
Heterogeneous mixture.
This mixture is not homogeneous.
Silver is not a homogeneous mixture or a heterogeneous mixture, it is a pure element. Silver does appear in homogeneous mixtures and heterogeneous mixtures such as sterling silver and silver nitrate.
No, It is heterogeneous mixture.
homogeneous
homogeneous