matter

What is matter? Matter is all the stuff: it’s you, it’s me, it’s your cell phone, chicken wings, the sun, the air we breathe, and even trees and plants. What’s cool is that is is all made of the same building blocks: atoms!

What is an element? We classify matter by how it looks, behaves, or its structure… we classify an atom by how many particles (electrons, neutron, protons) it has: this classification is what we call the elements. Every atom is some kind of element, either copper or neon or potassium or …