1. If your phone needs to be on a charger for three hours to be fully charged, and the charger draws 2 amps, then how many electrons have to flow?

The second and last option are the answers

The answer is ax3. hope this

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.