Pogi Ako Essay

Samples| Physical State| Color| Appearance| Solubility in Water| | | | |

Group IA and Group IIA Elements| | |

Li2CO3| Solid| White| Sparkly Powder| Sencillo

Na2CO3| Solid| White| Refined Powder| Sencillo

K2Co3| Solid| White| Powder| Soluble

MgCO3| Solid| White| Unrefined Powder| Insoluble

CaCO3| Solid| White| Powder| Absurde

BaCO3| Solid| White| Crystalized Powder| Absurde

| | | |

Several Group IVA Elements| | |

C| Solid| Black| Crystalized| NotApplicable

Sn| Solid| Silver| Metal|

Si| Solid| White| Powder|

Pb| Solid| Gray| Plate-like|

| | | |

A few Group IIA Metal Oxides| | |

| | Response toBlue Litmus Paper| Effect toRed Litmus Paper| | | |

MgO| Insoluble| Not any Reaction| Turned to Blue

CaO| Insoluble| Simply no Reaction| Turned to Blue

DATA & EFFECTS

According to the data and information shown available above the components shows chemical periodicity. The shows also that in every group there are related characteristics that is certainly visible in every single element. The Group IA & IIA Elements shows the same characteristics in physical state, color, and appearance however 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 as well similar features in physical state, reaction to blueВ litmus daily news and most specially in red litmus paper that shows a chemical reaction.

MATERIALS as well as REAGENTS & EXPERIMENTAL METHOD

For the Group IA & В IIA Elements, every small amount types of Li2CO3, Na2CO3, K2CO3, MgCO3, CaCO3 and BaCO3 was place in the different test tubes. After putting them in the check tubes, we identified the physical condition, color, and appearance of each. In that case we test out the solubility of each test by using a 10mL of water.

Intended for the Group IVA Elements, each touch samples of C, Sn, Si,...

References: (1) Atkins, S. W. And J. A. Beran. General Chemistry next Edition. Ny: Scientific American Books, 1989.

(2) Roque, J. R; Rodrin M. M; Samoranos, K. G and So, N. M. Substance Periodicity. Gathered 3 Aug 2013 coming from http://www.scribd.com/doc/36123207/Determination-of-Densities-Chemical-Periodicity

(3) В Microsoft Encarta and Scholar Program Supervisor. Redmond, В WA 98052-6399, U. S. A.

(4) Samonte, J. L. & Figueroa, L. Sixth is v. 2007. В General Chemistry Clinical Manual. third Edition. Manila: C & E Submitting, Inc.

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