Which of the following elements would likely be a gas at rom temperature? A. Argon (Ar)
B. Magnesium (Mg)
C. Copper (Cu)
D. 13

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

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?

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o