Calculate the number of electrons, protons, and neutrons for the metal Potassium, K. How do we know Potassium is a metal?

What is the correct equation for cellular respiration?

Is a pencil falling to the floor anon contact force, a force, or a contact force

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.