This is the rate at which a substance undergoes a physical change

Ametal with a large number of free flowing electrons most likely has good conductivity

Its trait is different and it the organism survive

Are you going to give an example of the plant or?

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.