Answer:
Iron has 26 electrons. Potassium has 39 neutrons. Nickel has 28 protons.
Explanation:
Answer:
b, its a polymer that translates genetic information.
Answer:
deep blue solution of tetramminecopper [Cu(NH3)4]2+ complex ion.
Explanation:
A chemical change is a change that results in new chemicals (the reactants underwent a chemical change which resulted in new products).
an example of a chemical change is the burning of paper. An example of something that is not a chemical change is the melting of ice.
