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HWCH2Spring - which are separated by a distance of 1.5 nm...

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HOMEWORK I 2 Introduction to Materials Science 2.1 (a) What is an isotope? (b) Why are the atomic weights of the elements not integers? Cite two reasons. 2.9 With regard to electron configuration, what do all the elements in Group VIIA of the periodic table have in common? 2.12 Calculate the force of attraction between a K + and an O 2- ion the centers of
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Unformatted text preview: which are separated by a distance of 1.5 nm. 2.17 (a) Briefly cite the main differences between ionic, covalent, and metallic bonding. (b) State the Pauli exclusion principle. 2.21 Using Table 2.2, determine the number of covalent bonds that are possible for atoms of the following elements: germanium, phosphorus, selenium, and chlorine....
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