CHEMISTRY SEMESTER B: FINAL EXAM
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A+ What atoms follow the Duet role? - answer Li and Na What type of bonding takes place between N and F? - answer covalent How many electrons is an octet? - answer 8 To draw the Lewis Structure of the polyatomic ion CIO2, you would have to ________ those in the structures of Cl, O, O and O. - answer add one electron to The correct Lewis structure for a molecule of the compound C2H2 contains - answer one triple bond Which of the following atoms has six valence electrons? - answer Sulfur What is this structure for H2? - answer H-H In a double bond, two electrons share a total of ______ electrons. - answer four How many moles of HCl are present in 0.70L of a 0.33 M HCl solution - answer 0.23mol What is the molarity of a solution that contains 125 g NaCl in 4.00 L solution? - answer 0.535M How much KCl can you dissolve in 200g of 40 C water according to figure 1? - answer 80g
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