Which of the following statements is true?

Electrons have a positive charge, are located outside the nucleus, and contribute to the overall charge of the atom.

Electrons have a negative charge, are located outside the nucleus, and contribute to the overall charge of the atom.

Electrons have a negative charge, are located inside the nucleus, and contribute to the overall charge of the atom.

Electrons have a negative charge, are located outside the nucleus, and do not contribute to the overall charge of the atom.

Question

Which of the following statements is true?
		
Electrons have a positive charge, are located outside the nucleus, and contribute to the overall charge of the atom.
		
Electrons have a negative charge, are located outside the nucleus, and contribute to the overall charge of the atom.
		
Electrons have a negative charge, are located inside the nucleus, and contribute to the overall charge of the atom.
		
Electrons have a negative charge, are located outside the nucleus, and do not contribute to the overall charge of the atom.

anonymous · Answer

Electrons have a negative charge, are located outside the nucleus, and contribute to the overall charge of the atom.

anonymous · Answer

http://chemwiki.ucdavis.edu/Physical_Chemistry/Atomic_Theory/The_Atom/Sub-Atomic_Particles