Act_8 - 12/12/05 Name _ Section _ Activity Sheet 8:...

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12/12/05 51 Name _________________________ Section ___________________ Activity Sheet 8: Chemical Energy 8.1 What is the Composition of Matter? 1) Atoms a) What are the building blocks of an atom? b) What is an atomic nucleus? c) What is a nucleon? d) What holds nucleons together within the nucleus of an atom? e) How many electrons does an atom have? How many electrons does an ion have? f) What holds electrons in orbit around the nucleus of an atom? g) What is an element? 2) An Atomic Model a) The two foam balls connected by wires simulate the forces between two protons. What force do the springy wires represent? ____________________________ What force do the magnets represent? ____________________________ b) From the model, does the strong nuclear force act over a long or a short range? c) Group Discussion Question: How could the model be modified to make it represent a neutron and a proton? How could it be modified to represent two neutrons?
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12/12/05 52 8.2 What are Chemical Reactions? 3) Chemical Compounds Your instructor will discuss chemical compounds. a)
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Act_8 - 12/12/05 Name _ Section _ Activity Sheet 8:...

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