While an elevator of mass 887kg moves downward, the tension in the supporting cable is a constant 7730N between t=0 and t=4.00s the elevators displacement is 5.00m downward. What is the elevators speed at t=0

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

What are some properties of transverse waves?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?