The closest shell (n = 1) can contain a maximum of 2 electrons.
The answer is one dot.
The number of dots an element has represented in the diagram, indicates how many valence eletrons( which is the number of electrons in the most exterior energy level of an atom or ion) the element has. So, 1 valence eletron equals one dot.
D. One chimp cleaning and grooming the hair of another chimp
The basic building block of matter is the atom.
