The electronegativity values of br, cl, f, h, mg,  and  na are given below. the bond between which two elements would be  primarily covalent? a. na and cl b. mg and f c. h and cl d. na and br

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Which statement best describes the flow of energy in this scenario