What best describes the outer shell of the atoms in Group D on this illustration of the Periodic Table? are empty are full are half full need 1 more electron to be full

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)