What information does the atomic mass of an element provide? a. the sum of electrons and protons in an atom b. the difference between the number of protons and electrons c. the number of protons and neutrons in an atom d. the number of isotopes

What are the chemical names of these compounds? ke: mg3n2: reset next

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 is the effect of returning nuclear reactor cooling water back into bodies of water?