Chap_2_HW_solutions

Chap_2_HW_solutions - Chapter 2 homework solutions

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Chapter 2 Homework Solutions 46. Write the atomic symbol ( ) X A Z for each of the isotopes described below. a. number of protons = 27, number of neutrons = 31 b. the isotope of boron with mass number 10 c. Z = 12, A = 23 d. atomic number 53, number of neutrons = 79 e. Z = 9, number of neutrons = 10 f. number of protons = 29, mass number 65 50. Symbol Number of Protons in the Nucleus Number of Neutrons in the Nucleus Number of Electrons Net Charge + 2 53 26 Fe 26 33 3+ 85 125 86 13 14 10 76 54 2-
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54. For each of the following atomic numbers, use the periodic table to write the formula (including the charge) for the simple ion that the element is most likely to form in ionic compounds. a. 13 b. 34 c. 56 d. 7 e. 87 f. 35 64. Name each of the following compounds a. HC 2 H 3 O 2 - b. NH 4 NO 2 - c. Co 2 S 3 - d. ICl - e. Pb 3 (PO 4 ) 2 - f. KIO 3 - g. H 2 SO 4 - h. Sr 3 N 2 - i. Al 2 (SO 3 ) 3 - j. SnO 2 - k. Na 2 CrO 4 - l. HClO -
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68. Write the formula for each of the following compounds: a. ammonium hydrogen phosphate -
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This note was uploaded on 10/13/2009 for the course CHEM 105ALg at USC.

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Chap_2_HW_solutions - Chapter 2 homework solutions

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