How many molecules are in 23 moles of oxygen (O2)? Round the answer to one digit past the decimal point. If the answer is less than 1, you must type a zero before the decimal point.

Elements would be the right answer

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.