An atom does not have an electrical charge. Atoms have equal numbers of positively charged protons and negatively charged electrons.
If there are not equal numbers of protons (+1) and electrons (-1) then it is not called an atom, it is called an ion.
Zero. If it's charged it's not an atom, it's an ion.
If there is an imbalance in the numbers of protons in electrons, then yes, an atom would have electrical charge.
A neutral atom hasn't an electrical charge.
An atom with an electrical charge is called an ion.
-1 charge
Neutron .
There is no net electrical charge on an "unreacted" atom.
Gained or lost electron(s).
The atom is neutral,, there is no net charge
Any ion.
electron
charge
A beryllium atom without electrical charge.