Scientifically is light the fastest thing in the world

What elements have 2 electrons inthe 4s sublevel

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.