Question

question
which of the following statements is correct?
answer
because of the protons and electrons in their structure, atoms always have some excess charge.
ions are normally neutral in terms of charge.
an anion is a negatively charged atom or group of atoms.
there is always the same number of protons as neutrons in an atom.
i dont know yet

Explanation:

Atoms are usually neutral with equal protons and electrons. Ions are charged particles. Anions have extra electrons, making them negatively - charged. Protons and neutrons do not always have the same number in an atom.

Answer:

An anion is a negatively charged atom or group of atoms.