What happens to an Atom when protons are taken away A. The atom becomes negatively charges
B. The atomic mass decreases
C. The size of the atom decreases
D. The element changes

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

What is the molar mass of potassium nitrate, kno3

What produces wave a)sound b) heats c)transfer of energy d)vibrations