the zoo is to see the big cats‚ most especially the tigers. The tiger is the largest of all big cats‚ and as of right now they are on the verge of extinction. The tiger is the top of the food chain in its natural habitat. They are a revered animal among many cultures and are considered to be one of the most beautiful animals on the planet. Due to poaching‚ illegal trade and the encroachment of their habitats‚ the tiger is now one of the most threatened species on earth and
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Discussion Questions 1. Why do different metals have different characteristic flame test colours? The photons emitted during the test precisely match the quantum energy difference between the excited state and the ground state. For different elements the spacing between the ground state and the higher energy levels is different. So different elements have different flame test colours. 2. Most salts contain a metal and a non-metal. Look at the compounds we tested and determine whether it is
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Title: Flame Test Aim: To determine the cation in each of the unknown substance X‚ Y and Z by observing the flame colour of different metal compounds. Introduction: A distinctive feature of many s-block metals is their ability to produce flame colours. At temperature of a Bunsen flame‚ a compound will decompose to give gaseous atoms of its constituent elements. When an electron in the gaseous atom absorbs energy from the flame‚ it will move from an orbital with lower energy to
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DELHI PUBLIC SCHOOL‚RANIPUR‚HARIDWAR LESSON 6:COMBUSTION AND FLAME DATED:24.07.14 1 COMBUSTION: When a substance combines readily with oxygen to give heat and (light) it is called combustion. 2 COMBUSTILE SUBSTANCE: A substance which burns easily to give heat it is said to be combustible. For ex. Wood ‚paper 3 FUEL: A substance that is burnt for obtaining heat and light is called a fuel. Carbon based fuel: wood ‚coal‚wax ‚petrol etc. Non carbon based fuel: hydrogen 4 CHARACTERISTICS OF AN
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Flame Lab Objective: How an electron absorbs energy and re-emits it as light and why different elements have different spectra. Also to learn how to use flame tests to determine the identity of unknown mixtures. Hypothesis: We know that certain compounds will burn certain flame colors because they emit different wave lengths. Introduction: Neils Bohr made the “Bohr’s Model” in 1922‚ he found that electron travel in specified fields – which‚ when excited‚ will jump to different rings
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Tigers (I owe you) Intro: I will be doing my report on tigers. Tigers have more than 100 stripes‚ and no two tigers have the same stripes. Another interesting thing about tigers is that the roar of a tiger can be heard more than a mile away. Tigers are also an endangered species. Made of cells: Tigers are multicellular. They have skin cells‚ blood cells‚ ad brain cells. They are an animal cell. Need Energy: Tigers are heterotrophs which means that they get their energy from the food
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Lab Report Flame Spectroscopy: Applying a Quantum Leap Answer the following questions about the results of this activity. Record your answers in the boxes. Send your completed lab report to your instructor. Don’t forget to save your lab report to your computer! Lab Activity 1 Sample Number of Bands Colors Present Cesium Calibration Standard 18 Violet‚ Green‚ Yellow‚ Orange‚ Red Cesium Spectrum from Chart 13 Violet‚ Green‚ Yellow‚ Orange‚ Red
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The tiger‚ largest of all cats‚ is one of the most charismatic and evocative species on the Earth; tiger is also one of the most threatened. Only 6‚000 or so remain in the wild‚ most in isolated pockets spread across increasingly fragmented forests stretching from India to south-eastern China and from the Russian Far East to Indonesia. Across its range‚ tigers are being poisoned‚ electrocuted‚ blown up by land mines‚ trapped‚ snared‚ shot and captured. The majority of tigers are sought to meet
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Tigers One of my most favorite things to do when going to the zoo is to see the big cats‚ most especially the tigers. The tiger is the largest of all big cats‚ and as of right now they are on the verge of extinction. The tiger is the top of the food chain in its natural habitat. They are a revered animal among many cultures and are considered to be one of the most beautiful animals on the planet. Due to poaching‚ illegal trade and the encroachment of their habitats‚ the tiger is now one of the
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Bengal White Tigers Scientists from Peking University‚ Beijing in May 2013 discovered that a change in single amino acid (A477V) in one pigmentation relate gene (SLC45A2) is the cause of white fur or sepia brown stripes in some tigers. The scientists studied 16 captive white tigers from three different parents to come up with the conclusion. As per the scientists‚ two types of melanin namely pheomelanin and eumelanin are used for identifying the color of fur‚ eye and stripes of the tiger. In case
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