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

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Name Date ClassHands-On ActivitiesComparing CompoundsProcedure1. Collect the following substances— granular sugar, rubbing alcohol, andsalad oil.2. Observe the color, appearance, and state of each substance. Note the thicknessor texture of each substance. Record your observations in the table below.3. Stir a spoonful of each substance into separate glasses of hot tap water andobserve. Record your observations in the table below.Data and ObservationsSubstance Sugar Rubbing Alcohol Salad Oil1. Color2. Appearance3. State4. Thickness/texture5. In waterAnalysis1. Compare the different properties of the substances.2. The formulas of the three substances are made of only carbon, hydrogen, and oxygen. Inferhow they can have different properties.Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.4 Atoms, Elements, and the Periodic Table
Name Date ClassElements and the Periodic TableLab PreviewDirections: Answer these questions before you begin the Lab.1. What safety practice is indicated by the safety symbol with the hand that is included in this lab?Hands-On Activities2. List at least two research sources that might be useful in this lab.The periodic table organizes the elements, but what do they look like? Whatare they used for? In this lab, you’ll examine some elements and share yourfindings with your classmates.Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.Real-World QuestionWhat are some of the characteristics andpurposes of the chemical elements?Goals■ Classify the chemical elements.■ Organize the elements into the groups andperiods of the periodic table.Materialscolored markerslarge index cardsMerck Indexencyclopedia*other reference materialslarge bulletin board8 1 / 2 -in ✕ 14-in paperthumbtacks*pushpins*Alternate materialsSafety PrecautionsWARNING: Use care when handling sharpobjects.Procedure1. Select the assigned number of elementsfrom the list provided by your teacher.2. Design an index card for each of yourselected elements. On each card, markthe element’s atomic number in the upperleft-hand corner and write its symbol andname in the upper right-hand corner.3. Research each of the elements and writeseveral sentences on the card about itsappearance, its other properties, andits uses.4. Classify each of your elements as a metal, ametalloid, or a nonmetal based upon itsproperties.5. Write the appropriate classification on eachof your cards using the colored markerchosen by your teacher.6. Work with your classmates to make a largeperiodic table. Use thumbtacks to attachyour cards to a bulletin board in theirproper positions on the periodic table.7. Draw your own periodic table. Place theelements’ symbols and atomic numbers inthe proper locations on your table.Atoms, Elements, and the Periodic Table 5
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