In an Isolated Battery (Not Connected to an Electrical Circuit)

In an isolated battery (not connected to an electrical circuit) ,

A) there is no excess of electrons or protons on either terminal.
B) there are excess electrons on the positive terminal but no excess of protons on the negative terminal.
C) there are excess protons on the negative terminal and excess electrons on the positive terminal.
D) there are excess electrons on the negative terminal but no excess protons on the positive terminal.
E) there are excess electrons on the negative terminal and excess protons on the positive terminal.