Honors Chemistry Chapter 2 Study Guide

Honors Chemistry Chapter 2 Study Guide matter - Answer️️ -anything that has mass and takes up space atoms - Answer️️ --the building blocks of matter -the simplest part of an element element - Answer️️ --each one is made of the same kind of atom -cannot be broken down any further by chemical means currently there are ___ elements - Answer️️ -115 chemical symbol - Answer️️ --1 or two letters -first letter always capitalized, the second never, chemical "shorthand" -most are derived from either Latin or Greek -some are named after famous scientists -even countries, states and even planets show up as the name of elements compound - Answer️️ --made of two or more different kinds of elements chemically combined -can be broken down into more elemental particles -when broken down, the pieces have completely different properties than the original chemical formula - Answer️️ --a short hand method used to show the number and type of atoms present in a compound subscript - Answer️️ --represents the number of atoms ©SOPHIABENNETT 2024/2025 9:45 AM Page | 2 How many hydrogen atoms are in water? - Answer️️ -2 What are the two different things matter can be classified as? - Answer️️ -1.) substance 2.) mixture substance - Answer️️ -a type of matter that has uniform (all the same) and has a definite composition two types of substances - Answer️️ -1.) elements 2.) compounds mixture - Answer️️ --made up of two or more substances that are not chemically combined -has a variable composition heterogeneous - Answer️️ -mixture is not unifor