For example, the atomic number of chlorine is 17. Every chlorine atom has 17 protons and 17 electrons. It has 17 positive charges and 17 negative charges, meaning that it is neutral overall. Atoms of ...

EVER since Faraday enunciated the law of electrolysis, that the same quantity of electricity passed when chemically equivalent masses of different substances were produced, it has been a matter of ...

Five hundred years ago, the Aztec civilization in today’s Mexico believed that the sun and all its power was sustained by blood from human sacrifice. Today, we know that the sun, along with all other ...