Chemistry multiple choice assignment, Cheat Sheet of Chemistry

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Wednesday, August 23, 2023 8:40 AM

ednesday, August 23,2023 = 8:40A Chemistry Worksheet: Matter #1 1. A mixture (is48§W@Gb) a chemical combining of substances. 2. Ina compound the (486M3/molecules) are (iemically/ physically) combined so that the elements that make up the compound (retainAM@SB) their identities and (@@/do not) take on a new set of properties. 3. The smallest identifiable unit of a compound is a(N) molecule ; which is made up of _osroms which are chemically bonded. 4. True or ES A mixture is always made up of a combination of elements. 5. Ina mixture, the substances (loseA@@taip) their identities. 6. Inamixture the substances involved (@Bp/cannot) be separated by a simple physical process. In a compound the elements involved (can be separated by a simple physical process because the elements are (physically combined/eiemically Bander) . 7. True or @€18@% An element can be broken down into a simpler substance. 8. The smallest identifiable unit of an element is a(n) 9. From the following list of substances, circle the ones that are elements: silver, carbon dioxide wood alcohol chromium water GES carbon nitrogen oxygen gold sugar salt magnesium air sulfur 10. Explain how to separate the sugar and water in a solution of sugar and water. You could loo Xne solueon SO Yor Ye Waret ev agorares leaning, on\y ne Sug 11. How would you separate a mixture of alcohol and water? A ELocess called fe. AC +ronea\ Ask \Nation. 12. How would you separate sand and water? bo COAd SATO /Edres ne woarer. 13. Classify the following as pure substances or as mixtures: air gasoline grain alcohol water Sugar gold mercury oxygen Salt water 14. Classify the following as heterogeneous or as homogeneous: sand & salt mixture hydrogen iron salt water unfiltered air iron with rust pure water an apple nitric acid tossed salad granite wood 15. Classify the following as an element, a compound, a solution, or a Sugar and water -an orange water & instant coffee a pencil” air gasoline Elements, Compounds, and Mixtures Classify each of the pictures below by placing the correct label in the blanks below: A= Element [D= Mixture of compounds 3= Compound E= Mixture of elements and compounds —= Mixture of elements Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching then they are bonded together.