The ammonium ion is a polyatomic ion that consists of one nitrogen atom bonded to four hydrogen atoms. the ammonium ion has a single positive charge on it. draw the lewis structure of the ammonium ion.

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

What is the mass of each element in a 324.8 sample of co2

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms