What do the following have in common: MgCl2, AlF3, CaI2, KCl
Choose all that apply.
They are nonpolar in nature.
They are salts.
They are all ionic compounds.
They are all molecular compounds.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa