Metals Physical Properties of Metals versus Non-metals Properties | Electrical conductivity | Heat conductivity | Melting and Boiling points | Malleability & ductility | Lustre | Metals | Good | Good | High | High | Shiny | Non-metals | Poor | Poor | Low | Low (Brittle) | Dull | Chemical Properties of Metals versus Non-Metals Properties | Metals | Non- metals | Reaction with oxygen | Form basic or amphoteric oxides | Form acidic or neutral oxides | Ionisation | Lose electrons
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extract a metal Industrial mineral- either has some direct practical use‚ or take part in some industrial process Gems and precious stones are an exception to industrial metals as they do have a direct ‘practical’ application but are dealt with separately. Some common minerals include: * * Silica- (silicon dioxide) most common mineral on earth * Calcite- (calcium carbonate) main mineral in limestone and marble Ore: A naturally occurring solid material from which a metal or valuable
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Wan Huang 10/18/12 Flame Test Lab Introduction Spectroscopy is the study of the electromagnetic radiation emitted or absorbed by atoms and molecules. These studies are very helpful in determining an unknown element‚ given the fact that all elements burn a different color. The flame colors vary because of the different amounts of energy the elements give off. This lab is made for the learner to determine the identity of two unknown elements. Hypothesis If the color of one of the unknown elements
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I. Purpose: To observe the colors produced when compounds are introduced into a flame and the electrons become excited. To estimate the wavelength of light produced‚ then calculate the frequency and energy of the light II. Safety: Standard safety procedures III. Chemical Inventory: |Chemical Name: |Hazards: | |Lithium Chloride
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MANAGEMENT OF LABORATORY HOM 101: Fundamentals of Health Care Management Dr. Maisoun Al-Sharif Fall 2012 By Mustafa Malaka Abstract Our report will describe the clinical laboratory department‚ the services provided‚ and the different sections and functions in the department. We will highlight every important aspect related to the clinical laboratory department in detail as well as our suggestions and the areas that can be improved. Our conclusion will include a four minutes video
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CYS: CPE12 Date: November 13‚ 2013 Engr. Jennifer B. Igat Instructor Safety Rules in the Laboratory 1. Never work alone in the laboratory. You should only work in the laboratory while under the laboratory while under the supervision of your instructor and with your assigned class. 2. You should prepare for each laboratory lesson by reading all instructions before you come to class. Follow all directions and review with your instructor the safety precautions
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Metals & Non-Metals Metals: Good conductors of heat and electricity. Have shining luster. Malleable (this means that they can be hammered or distorted). Ductile (this means that they can be drawn into wires). Most have high melting and boiling points. Are sonorous (give out sound when beaten). Usually solid at room temperature. An exception to this is mercury‚ which is liquid in nature. Examples: Aluminum‚ Gold‚ Copper‚ Silver‚ Sodium‚ Potassium‚ Mercury. Corrode or oxidize in
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Alkali Metals Introduction Alkali metals refer to six elements belonging to the Group IA of the long form of the Modern Periodic Table‚ viz. Lithium (Li)‚ Sodium (Na)‚ Potassium (K)‚ Rubidium (Rb)‚ Cesium (Cs) and Francium (Fr). Fr is a radioactive element. These elements are called so because they form strongly alkaline oxides and hydroxides. Electronic Configuration of Alkali Metals Each of the alkali metals has one electron in their outermost (valence) shell‚ which is just outside an inert
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Nanotechnology | Colour of Gold | Practical Investigation Report | | Introduction Gold is a precious metal which has been used for years and when we think of gold we think of shining bars in a bank vault‚ coins or beautiful jewellery. When we think of gold it’s usually a shining yellow gold however can come in many colours. The colour of gold can range from red through the visible spectrum to purple and violet. Aim The whole point of this experiment was to create gold that wasn’t
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Experiment 1: Errors‚ Uncertainties and Measurements Laboratory Report Abstract The success of an experiment greatly depends on how the group is able to execute it and how precise and accurate their results are. In this matter‚ errors and uncertainties in measurements are of great factor. In this experiment‚ the group was able to classify the causes of such errors and which measuring device is more precise and accurate than the other. These were obtained by measuring the diameter of an iron sphere
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