Chapter 5worksheetKEY-1

Chapter 5worksheetKEY-1 - valence electrons a C(Z = 6 1s 2...

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CH 5: Worksheet Name: KEY CHM 1025 Summer 2009 1. Fill in the following table (round mass # to whole #) Element or Ion Atomic # Mass # # electrons # protons # neutrons H 1 1 1 1 0 C 6 12 6 6 6 N 7 14 7 7 7 O 8 16 8 8 8 Cl 17 35 17 17 18 S 16 32 16 16 16 Fe 26 56 26 26 30 Ag 47 108 47 47 61 Sn 50 119 50 50 69 Na 11 23 11 11 12 Ca 20 40 20 20 20 K 19 39 19 19 20 Ba 56 137 56 56 81 Element or Ion Atomic # Mass # # electrons # protons # neutrons S 2- 16 32 18 16 16 1
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F - 9 19 10 9 10 Ca 2+ 20 40 18 20 20 N 3- 7 14 10 7 7 Rb + 37 85 36 37 48 O 2- 8 16 10 8 8 Al 3+ 13 27 10 13 14 2. Draw the ground state electron configuration for the following and then circle the
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Unformatted text preview: valence electrons a. C (Z = 6) 1s 2 2s 2 2p 2 2 b. S (Z = 16) 1s 2 2s 2 2p 6 3s 2 3p 4 c. O (Z = 8) 1s 2 2s 2 2p 4 d. O 2-(Z = 10) 1s 2 2s 2 2p 6 e. Na (Z = 11) 1s 2 2s 2 2p 6 3s 1 f. Na + (Z = 10) 1s 2 2s 2 2p 6 g. Ar (Z = 18) 1s 2 2s 2 2p 6 3s 2 3p 6 h. Ne (Z = 10) 1s 2 2s 2 2p 6 i. Cl (Z = 17) 1s 2 2s 2 2p 6 3s 2 3p 5 j. Cl-(Z = 18) 1s 2 2s 2 2p 6 3s 2 3p 6 3...
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This note was uploaded on 10/20/2011 for the course CHEM 1025 taught by Professor Smith during the Spring '10 term at Valencia.

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Chapter 5worksheetKEY-1 - valence electrons a C(Z = 6 1s 2...

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