How does the nucleus of an atom change after beta decay?
a.
the nucleus remains the same

b.

the nucleus gains an electron.

(c.)

the nucleus loses a neutron.

d.

the nucleus loses a proton

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

How does the motion of particles in a gas change as the gas cools

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.