Diagram: Turn on Show electron dot diagram. The valence electrons of an atom are shown in an electron dot diagram. Each dot represents a valence electron. ✏️ Draw the electron dot diagram for neutral lithium: (Right Click on the element, click “edit”, move the dots around Li)

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.