The reaction in which two amino acids form a dipeptide and a water molecule is called a reaction. condensation
hydration

They are all full and don't need any more electrons in there outer shell.

C) electrons encircling a nucleus with neutrons and protons

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.