You have a raw egg you put it in a hot pan boom cooked egg most chemical changes are nonreversibal <span />
Electrons contribute greatly to the atom's charge, as each electron has a negative charge equal to the positive charge of a proton. Scientists define these charges as “+1” and “-1. ” In an uncharged, neutral atom, the number of electrons orbiting the nucleus is equal to the number of protons inside the nucleus.:
Answer:
It depends what other values you have. Can you give more info? If they give density then you can solve for m.
They exist in the outer orbitals