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Topics: Periodic table, Valence electron, Chemistry Pages: 3 (701 words) Published: January 24, 2013
Relative Solubility of Transition Elements

In this lab we evaluate the solubility of compounds of iron, copper, zinc, and mercury in both water and acid. Coming into the lab we know that iron, copper, and zinc are all found in the the same row of the periodic table, while zinc and mercury are found in the same column. The transition metals are found in groups 3 to 12 and periods 4 to 6. Rows are known as periods and columns are known as groups. They share characteristics, such as being good conductors of electricity, and having a shiny appearance. This experiment will further our knowledge of the organization of the periodic table and the patterns found within in it, in reference to chemical similarities between elements. This experiment is important because it puts us in the position of discovering similarities between this group of elements. Hypothesis: Those elements in the same row will exhibit different properties while elements in the same columns will exhibit the same properties.

24-well chem plate or plastic sheet
0.1 M K4Fe(CN)6
0.1 M KSCN
0.1 M NaCl
0.1 M Na2SO4
0.2 M (NH4)2C2O4
1.0 M HNO3
thin-stemmed pipets or dropper bottles for solutions, 10
transition elements
0.1 M Cu(NO3)2
0.1 M Fe(NO3)3
0.1 M Hg2(NO3)2
0.1 M Zn(NO3)2

Create a full-page grid, similar to the data table included in the lab, and place a chem plate over the grid Place 2 drops of each solution with a transition-element ion (positive ion) on the microplate in the appropriate box. There should be five boxes in a row for each transition element. Add 2 drops of each of the reagents (negative ions) to each of the transition-element ions. Do not allow the dropper to touch the transition-element solutions. Right after adding the drops of reagent ion to the transition ion, record your observations in the section of the...
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