0-2
How many electrons moved to make the above
oxygen ion?
received 1 electron
gave 2 electrons away
gave 1 electron away
received 2 electrons

Respuesta :

Answer:

received 2 electrons

Explanation:

Since a neutrally charged oxygen has 8 electrons (-) and 8 protons (+), an oxygen ion with a charge of -2 and would have 10 electrons.