Atoms, Elements, and the Periodic Table - Learning Services Home

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Name Date ClassLaboratory Activity 2 (continued)Hands-On ActivitiesData and ObservationsChemical formula1. H 2 O(water)2. CO 2 (carbon dioxide)3. CH 4 (methane)Number of atoms in compoundHydrogen Carbon Oxygen TotalQuestions and Conclusions1. What would the answers in the table be for a molecule of fruit sugar, C 6 H 12 O 6 ?2. From the formulas given, identify each of the following as either an element or a compound:NaCl, Ag, Co, CO, SO 2 ,AgBr.3. Each carbon atom can be attached to up to four other atoms. The compound hexane has sixcarbon atoms joined together in a chain. If only carbon and hydrogen make up the hexanemolecule, what is the greatest number of hydrogen atoms that could be in the molecule? Drawa picture of the molecule to help you.4. Nitrogen in air is in the form of two nitrogen atoms fastened together, N 2 .Is nitrogen anelement or is it a compound? Explain.Strategy CheckCan you make a simple model of a compound based on its molecular formula?Based on a compound’s molecular formula, can you figure out how many atoms of eachelement are in a compound?Do you understand the difference between an element and a compound?Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.12 Atoms, Elements, and the Periodic Table
Name Date ClassAtoms, Elements,and the Periodic TableDirections: Use this page to label your Foldable at the beginning of the chapter.AtomsHands-On ActivitiesElementsCompoundsMixturescarbontable saltnitrogenCopyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.airsoft drinkshydrogenironsugarpizzaoxygenmercurycarbon dioxideAtoms, Elements, and the Periodic Table 13
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