An atomic scientist was studying an atom and through experimentation found that the total negative charge of the
area surrounding the nucleus is -9. which statement correctly describes this atom?
this atom has nine clouds.
this atom has nine electrons,
this atom has nine neutrons.
this atom has nine protons.

the atom has nine electrons

Explanation:

that's the correct answer

energy and particles

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.