Why are there so many different things?
no axle is part of the drive train battery electrical system.
Because there are different kinds of atoms and the atoms are arranged in different positions.
Everything is made up of atoms but, NOT necessarily the SAME atoms. The pure elements as found in the Periodic Table of Elements are each made up of the same atoms.A bar of pure Copper is Copper atoms only; A pure Gold ring.Gold atoms only; Pure oxygen gasOxygen atoms only.and so on with all the pure elements. Hydrogen gas is H2.a molecule made up of 2 atoms, (It's a diatomic molecule). The Periodic Table of Elements lists all the known different atoms of pure Elements that we know at present. These atoms have the capability to chemically combine with other, different atoms to form many millions of substances (or Compounds) that we know and, many, many of which we use in our everyday life. When this occurs, the substances formed have very different properties to those of the elements of their make-up. Water, for example, is made up of 2 diatomic molecules of Hydrogen (2H2) which, when burned in 1 diatomic Oxygen molecule forms Water. 2H2 + O2 2H2O. Hydrogen will burn in oxygen (air) while water can be used in many ways and will put fires out. Sodium Na, is a dangerous substance when water is around. Chlorine (Cl) is a toxic gas but, when chemically combined, they will form common salt (NaCl) which we use in cooking, it's present in salt water of the seas and oceans. Everything we use in life and, many dangerous, poisonous and otherwise unhealthy substances are formed by the chemical combination of the many different pure elements.
