Definition

• Atom


  The smallest part of an element that can exist
• Elements

  Is a pure substance, which consist of only one kind of atom that cannot be broken down into anything simply by either physical or chemical means
• Volume

  The amount of space that a substance or object, occupies, or that is enclosed within a container
• mass


  A measure of how much matter is in a object
• Temperature


  A measurement of the average kinetic energy of particles in an object
• Pure substance


  Substances that consist of one type of particle only
• Compound

  A substance formed when two or more chemical elements are chemically bonded together
• Mixture

  A material made of two or more substances that are not chemically bounded
• Molecule

  A group of atoms held together in a fixed ratio by strong forces called chemical bonds
• Crystal lattice


  The symmetrical, three dimensional arrangement of atoms inside a solid