a student wants to examine a substance without altering its composition. which of the following describes a property of the substance that the student should examine

The grooves or folds of the brain are called

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.

What does an electron configuration for an atom relate to the atoms placement on the periodic table