Please Help. Will mark as Brainliest

As you move from right to left on the periodic table the atomic radius fill in the blank

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

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.