The layer beneath the crust is the
a. mantle
b. core
c. ocean

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

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.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume