what reaction (if any) occurs in water between potassium nitrate and ammonium chloride? include states in your answer.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true