Question

what is an electron dot diagram? image of atomic structure and cl electron dot diagram 17 protons 18 neutrons 17 electrons a diagram of the core electrons in an atom. a diagram that shows all of the protons in an element. a diagram of the valence electrons in an atom. a diagram that shows all of all electrons in an atom.

Explanation:

An electron dot diagram (Lewis dot structure) represents the valence electrons of an atom. The first option is incorrect as it's not about core electrons. The second is wrong because it's not about protons. The fourth is incorrect as it doesn't show all electrons, just valence. The third option, "A diagram of the valence electrons in an atom," matches the definition of an electron dot diagram (like the Cl diagram showing its valence electrons).

Answer:

C. A diagram of the valence electrons in an atom.