What is the Rough copy of SbFCl2

What type of matter is made of only one kind of atom

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.

The ammonia molecule in the diagram has the observed bond orientation because