Which portion of this graph represents the lattice energy involved in the formation of an ionic bond between sodium and chlorine?
Chapter 2: The Components of Matter Element – simplest type of substance with unique physical and chemical properties -consists of only one type of atom -cannot be broken down into simpler substances Molecule – structure that consists of 2 or more atoms that are bonded together -chemically and covalently bonded together -behaves as an independent unit Compound – 2 or more elements that are chemically combined -fixed, specific ratio by mass Mixture – group of 2 or more substances (could be elements and compounds) -physically intermingled -components can be varied by mass Mixture – things can be separated by using the physical properties of the elements Compound – chemically combined; cannot by physically separated Mixtures
