What phenomena is responsible for increased polarity strength in London dispersion forces which is characterized by the overlap of orbitals?

The answer is Pi bonding.

Compare and contrast the bohr model and the electron cloud models of the atom.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

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.