Which of these describes the structure of an atom?

A)Positive protons and negative electrons in the nucleus are surrounded by neutral neutrons.
B)Neutral protons and negative neutrons in the nucleus are surrounded by positive electrons.
C)Positive protons and neutral neutrons in the nucleus are surrounded by negative electrons.
D)Negative protons and positive neutrons in the nucleus are surrounded by neutral electrons.
E)Positive protons and negative neutrons in the nucleus are surrounded by neutral electrons.