4/5/’013 | | BOHR THEORY Introduction Niels Bohr applies quantum theory Rutherford’s Atomic Structure by assuming that electrons travel in stationary orbits defined by their angular momentum. This led to the calculation of possible energy levels for these orbits and the postulation that the emission of light occurs when an electron moves into a lower energy orbit. Atomic Spectrum The Atomic Spectrum is a series of lines
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future. Our company’s accomplished‚ college experts for school work relating to Atomic Structure have guided vast numbers of university scholars around the world by presenting our innovative‚ best-price‚ graduate-level writing for Atomic Structure term papers and Ph.D.-level thesis statement examples. Acknowledging your coming deadline‚ spending restrictions‚ personal stipulations‚ and university achievement‚ our professional scholars can provide unparalleled aid for your Atomic Structure essay‚
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1. Our solar system is made up of the sun and everything that travels around it. This includes eight planets and their natural satellites such as Earth’s moon; dwarf planets such as Pluto and Ceres; asteroids; comets and meteoroids 2. The sun is the center of our solar system. It contains almost all of the mass in our solar system and exerts a tremendous gravitational pull on planets and other bodies. 3. Our solar system formed about 4.6 billion years ago. 4. The four planets closest to the Sun
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Solar System About 4‚700 million years ago‚ the Solar System was just a spinning disc of dust and gas. The dust began to collect together and our Sun formed at the centre. Around Sun‚ lumps of rock joined up to form smaller bodies and‚ like the Sun‚ they heated up. But because they were smaller they soon cooled down and became planets. Sun accounts for 99.85 per cent of mass of the solar system. About 1.3 billion earths would fit inside the sun. The solar system consists of the Sun; the nine planets
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The solar system consists of the Sun and 9 planets revolving around it in different orbits. The statistics of the sun and the planets are given below : SUN Age : About 5 Billion years Distance : 149.8 Million Kms Diameter : 1‚38‚400 Kms. Photosphere temperature : 5‚770 K Core temperature : 150‚000‚000 K Absolute visual magnitude : 4.75 Rotation (as seen from the earth at the equator) : 25.38 days Rotation (near the poles) : 33 days The sun consists of 71% of Hydrogen‚ 26.5% Helium and
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SOLAR SYSTEM PLANETS MERCURY • The closest planet to the sun‚ Mercury is only a bit larger than Earth’s moon. Its day side is scorched by the sun and can reach 840 degrees Fahrenheit (450 Celsius)‚ but on the night side‚ temperatures drop to hundreds of degrees below freezing. VENUS • The second planet from the sun‚ Venus is terribly hot‚ even hotter than Mercury. The atmosphere is toxic. The pressure at the surface would crush and kill you. Scientists describe Venus’ situation as a runaway greenhouse
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The Solar System My project is about the Solar System. The Solar System is made up of all the planets that orbits the Sun. The Solar System consists of moon‚ comets‚ asteroids‚ minor planets‚ dust and gas. Everything in the Solar System orbits or revolves around the Sun. The Sun contains around 98% of all the material in the Solar System. The larger an object is the more gravity it has. The Sun is the star at the center of the Solar System. After the sun is Mercury‚ the innermost planet in the
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inner and outer planets‚ the formation of planetary rings‚ how the asteroid belt got there‚ the formation of Earth’s moon‚ and the unusual rotation of the planet Uranus. Proper understanding of each of these discoveries and theories is important when learning about our universe. Planetary Accretion Planetary accretion has two main theories on how the planets in our solar system were formed. The first of the two is the Solar Nebular Disk Model; this is where our Solar System’s planets started out as
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The University of the West Indies (Mona) Department of Chemistry Preliminary Chemistry A (Chem 0901) Atomic Structure: Tutorial 2 For discussion in the week beginning September 24‚ 2012. Answers should be submitted by 9:00 am on Monday September 24‚ 2012 in the box provided. Please write your ID number and Laboratory day clearly on your script. 1. Give an expression for the Balmer-Rydberg equation in terms of wavelength λ‚ the Rydberg constant R‚ and the integers m and n where m < n.
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Nehal Fenster Subject: The Solar System Grade Level: Kindergarten Time Allotted: 45 minutes Objective: Students will be able to identify the objects in our Solar System. Students will be able to identify the characteristics of each planet in the Solar System. Students will be able to know why Earth is the only planet that has life. Students will learn how to help protecting Planet Earth. Standards: ISTE Standards Engage students in exploring real-world issues and solving
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