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2 pages/≈550 words
Life Sciences
Lab Report
English (U.S.)
MS Word
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Periodic and family relationships of typical elements (Lab Report Sample)


Task:Study the change in properties of elements in typical series and groups in the periodic table. The report analyses the reaction trend of both chemical and physical properties of elements in across the periodic table .

The report provides a comprehensive description of the family as well as the family relationships of different elements.
The objective of this laboratory work is to gain an insight in the trends of both chemical and physical properties of elements across the periodic table. The experiments offer an opportunity to subject the elements to the same chemical conditions and observe the reactions. Moreover, the relationship of the chemical properties and the location in the periodic table is pertinent. The location of an element in the periodic table is determined by its family or group and period.
The procedure followed for the different experiments involved combustion and reaction with water. For combustion, the element would be brought close to flame. On the other hand, reaction with water was through introduction of the element in a spatula
Data and results
The reactions of group one elements are as shown below:
Na(s) + O2(g) ( Na2O2(g)
2Na 2O2(s) + H2O(l) ( H2O2(g) + 2NaOH(aq)
The reactions of group two elements are as shown below:
2Mg(s) + O2(g) ( 2MgO(g)
2MgO(g) + H2O(l) ( 2Mg(OH)2(aq)
BaO+ H2O(l) ( Ba(OH)2(aq)
The reactions of group three elements are as shown below:
4Al(s) + 3O2(g) ( 2Al2O3(g)
2Al(s) + 6 HCL(aq) ( 2AlCl3(aq) + 3 H2
Al(s) + NaOH(aq) ...
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