Imagine being the size of an atom. describe how something like a red blood cell might look to you.

Which other elements contain the same number of outer electrons as sodium

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

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.