Write the complete balance equation for many+ FeCl3= NaCl+Fe

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?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block