2. How many atoms are in 5.6 moles of Na? ___3.2 E 24 atoms of Na

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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?

What shape would a molecule with two bound groups and two lone pairs have?