What is in the cloud of negatively charged particles that surrounds an atom?

a. proteins
b. neutrons
c. electrons
d. protons

Electrons. They make an electron cloud around the atom.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Cis the answer ur welcome if i get it wrong u don't have to me