Chapter_2_Learning_Objectives (2)

Chapter_2_Learning_Objectives (2) - Chapter Learning...

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Chapter Learning Objectives Chapter 2: Atoms, Molecules and Life 2.1 What are atoms? Draw and label a simplified model of an atom Distinguish between each of the following pairs of terms: o neutron and proton – protons are positively charged and neutrons are uncharged. o atomic number and mass number – atomic number is the amount of protons in the nucleus. Mass number is the amount of protons and neutrons. Explain how the atomic number and mass number of an atom can be used to determine the number of neutrons o You can use the atomic number to subtract the amount of protons from the mass number and the remaining would be the amount of neutrons. Explain how two isotopes of an element are similar. Explain how they are different o 2.2 How do atoms interact to form molecules? Distinguish among nonpolar covalent, polar covalent and ionic bonds o Nonpolar covalent bond share electrons equally. Polar covalent bond spends more time around one atom and less around another. Ionic bonds
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This note was uploaded on 03/20/2012 for the course BIOL 1001 taught by Professor Minor during the Fall '08 term at LSU.

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Chapter_2_Learning_Objectives (2) - Chapter Learning...

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