Which of the following best describes ionic bonding? A. the repulsion of ions due to the transfer of valence electrons B. the transfer of valence electrons between atoms to make them neutral C. the attraction of ions due to the transfer of valence electrons D. the sharing of valence electrons between two or more neutral atoms

Compare and contrast physical changes with chemical changes.

Tell me the iupac name of the following compounds:

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.