Expt10partA - Experiment Elements and Compounds Worksheet...

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Experiment 10 A Elements and Compounds Worksheet Periodic Chart and Lewis Diagrams Expt 10A.wpd Data / Report Name: Experiment 10A Partner’s Name: CHM 1025 Section: Date: A. Classify the elements below as metals (M) or nonmetals (N). The atomic number and elemental symbol are listed: Element Classification 19 (1) K 22 (2) Ti 34 (3) Se 36 (4) Kr 53 (5) I Element Classification 1 (6) H 2 (7) He 64 (8) Gd 90 (9) Th 101 (10) Md B. What is the group number (omit A or B) of each of the following elements below? Use NG for the noble gases. Element Group 1 (1) H 2 (2) He 3 (3) Li 19 (4) K 20 (5) Ca Element Group 54 (6) Xe 13 (7) Al 31 (8) P 88 (9) Ra 82 (10) Pb Element Group 6 (11) C 7 (12) N 8 (13) O 16 (14) S 17 (15) Cl C. How many valence (“outer”) electrons are there in the elements below? Element Electrons 1 (1) H 2 (2) He 11 (3) Na 12 (4) Mg 88 (5) Ra Element Electrons 13 (6) Al 6 (7) C 7 (8) N 8 (9) O 17 (10) Cl Element Electrons 18 (11) Ar 15 (12) P 16 (13) S 53 (14) I 82 (15) Pb
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D. Draw a Lewis Diagram for each element below. Element Diagram 1 (1) H 2 (2) He 3 (3) Li 19 (4) K 20 (5) Ca Element Diagram 13 (6) Al 6 (7) C 7 (8) N 8 (9) O 17 (10) Cl
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Expt10partA - Experiment Elements and Compounds Worksheet...

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