Which of the following statements does not describe the structure of an atom: electrons are negatively charged particles, inside the nucleus of an atom are protons and neutrons, protons are positively charged subatomic particles, most of the mass of an atom comes from the electron cloud.

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

beta decay is the answer

2b2t

explanation:

2b2t

wher is the rest of the question