Elements, Compounds & Mixtures Worksheet



Classify each of the following as elements (E), compounds (C) or Mixtures (M). Write the letter X if it is none of these.__Diamond(C)__Sugar (C6H12O6) __Milk__Air__Sulfuric Acid (H2SO4)__Gasoline__Krypton (K)__Bismuth (Bi)__Uranium (U)__Water (H2O)__Alcohol (CH3OH)__Pail of Garbage _Ammonia (NH3)__Salt (NaCl)__Energy __Wood__Bronze __Ink__Dry Ice (CO2)__Baking Soda (NaHCO3)__Titanium (Ti)__Iron (Fe)__Popcorn__Gold (Au)__Electricity __A dog __Concrete Match each diagram with its correct description. Diagrams will be used once.4741545153670003547110153670002352675153670001194435153670003619515367000495871578740005501640787400041624257874000256984578740001954530787400086868078740004343407874000325755787400021717078740005067300117475004162425317500380047531750028232101174750019545301174750019545303175001664970317500155638531750014478003175008686803175008686801174750068770534607500579120346075004705353460750010858523177500108585346075001085851174750054654451568450049949101568450038004751568450036918901568450030403801568450013392151568450013392154254500401764595885002533650958850013392159588500A B C D E__ Pure Element – only one type of atom present.__ Mixture of two elements – two types of uncombined atoms present.__ Pure compound – only one type of compound present.__ Mixture of two compounds – two types of compounds present.__ Mixture of a compound and an element. Read each description and determine whether it is a pure substance or mixture. Then further classify the matter (element, compound, homogeneous mixture, heterogeneous mixture)DescriptionPure Substanceor Mixture?Classification?1. Chocolate syrup is added to milk and stirred2. Copper metal (used to make wires)3. Sand is added to water4.Distilled water5. Tap water6. Diamond7. Table sugar8. Table sugar added to a cup of coffee and stirred9. Kool-aid is added to water10. Coca-cola11. Helium gas (used to inflate a balloon)12. Mercury metal (used in old thermometers)13. Hydrogen gas (an explosive gas)14. Trail mix (peanuts, pretzels and m&m's)15. The air we breathe ................
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