Chemical Periodicity Essay Sample
- Pages: 2
- Word count: 368
- Rewriting Possibility: 99% (excellent)
- Category: chemistry
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DATA & RESULTS
According to the data and information shown on the table above the elements shows chemical periodicity. Its shows also that in every group there are similar characteristics that is visible in every element. The Group IA & IIA Elements shows the same characteristics in physical state, color, and appearance but the solubility has some variations. In Group IVA only the physical state are the same while the color and appearance have variations. In Group IIA Metal Oxides shows also similar characteristics in physical state, reaction to blue litmus paper and most especially in red litmus paper that shows a reaction.
MATERIALS / REAGENTS & EXPERIMENTAL PROCEDURE
For the Group IA & IIA Elements, each small amount samples of Li2CO3, Na2CO3, K2CO3, MgCO3, CaCO3 and BaCO3 was place in the different test tubes. After placing them in the test tubes, we identified the physical state, color, and appearance of each. Then we test the solubility of each sample by using a 10mL of water.
For the Group IVA Elements, each small amount samples of C, Sn, Si, and Pb was placed in different test tubes. After placing them in the test tubes, we identified the physical state, color, and appearance of each.
For Group IIA Metal Oxides, a small amount sample of MgO and CaO was placed in different test tubes. 10mL H2O was added to each samples and it was test trough the use of litmus paper. A balanced chemical equation for each sample was written to show the reaction of the oxides and water.
(1) Atkins, P. W. And J. A. Beran. General Chemistry 2nd Edition. New York: Scientific American Books, 1989. (2) Roque, J. R; Rodrin L. M; Samoranos, K. P and So, B. M. Chemical Periodicity. Retrieved 3 August 2013 from http://www.scribd.com/doc/36123207/Determination-of-Densities-Chemical-Periodicity (3) Microsoft Encarta and Student Program Manager. Redmond, WA 98052-6399, U.S.A. (4) Samonte, J.L. & Figueroa, L.V. 2007. General Chemistry Laboratory Manual. 3rd Edition. Manila: C & E Publishing, Inc.