Study Guide 1. Write down the electron configuration for the following atoms (see page 135 in your textbook): Mg Ne Zn 2. Which elements have the following electron configurations? a. 1s22s2 b. 1s22s22p63s23p1 3. Sketch the shape of the following orbitals: s p d 4. Define the term “quantum.” 5. Using the diagram of the atom‚ on the right‚ identify the following: a. Which arrow(s) indicate that electrons absorbed energy? b. Which arrow(s) indicate that electrons lost/emitted energy as light
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contributed to theories involving light. Of these‚ the wave-particle duality is arguably the most strange and noteworthy concept in the field. Throughout history‚ some physicists have argued that light behaves as a wave‚ such as Christiaan Huygens and others‚ such as Isaac Newton have proposed that light consists of particles (Wave-Particle Duality‚ March 2010). Today‚ as stated in the wave-particle duality‚ light is said to exhibit wave-like and particle-like properties. And still today‚ physicists are troubled
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surgery‚ radiation treatment or chemotherapy‚ all of which have serious side effects. In this review paper‚ we focus our attention towards gold nano–particles and their biomedical application in targeting cancer. Different types of gold nano-particles will be discussed and how they are used for in-vitro assays‚ in-vivo and ex-vivo imaging‚ cancer therapy and drug delivery. The key feature of nano-particles is multifunctionality. These particles have many properties that are attractive for use in cancer
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of matter to have unique chemical properties. Atom: The smallest particles with unique chemical identities. Nucleus: Center of an atom (composed of protons and neutrons). Proton: Have a single positive charge (+1). Neutron: Have no charge. Electron: Tiny particles with a single negative charge and very low mass (-1)/determines chemical bonding properties of an atom. Atomic Number: Number of protons in the nucleus. Atomic Mass: Approximate number of protons and neutrons equal to total. Isotope:
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meeting. YM: As we are all well aware that haze is traditionally an atmospheric phenomenon where dust‚ smoke and other dry particles obscure the clarity of the sky. Seen from afar by approaching fei jis‚ sorry I mean airplanes and depending upon the direction of view with respect to the sun‚ haze may appear brownish or bluish. CK: Haze often occurs when dust and smoke particles accumulate in relatively dry air. Luckily‚ currently the air condition in Malaysia is moderate to good‚ 51-100 and 0-50‚
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3.09 Particle Accelerator & Fundamental Forces 1. Answer the following: a. Describe the structure of the Large Hadron Collider and what it does. The Large Hadron Collider is a 27km long ring-shaped tunnel that is made mostly of superconducting magnets that sit 100m underground. The Large Hadron Collider accelerates particles. There are two beams of particles involved in the process called ‘hadrons.’ They will be sent speeding around the ring traveling at just about the speed of
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Valence Electrons The valence electrons are the electrons in the last shell or energy level of an atom. They do show a repeating or periodic pattern. The valence electrons increase in number as you go across a period. Then when you start the new period‚ the number drops back down to one and starts increasing again. For example‚ when you go across the table from carbon to nitrogen to oxygen‚ the number of valence electrons increases from 4 to 5 to 6. As we go from fluorine to neon to sodium‚ the
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Ionic Bonds Essay The periodic table is a masterpiece of organized chemical information. It is a table of the chemical elements in which the elements are arranged by order of atomic number. The standard form of the table includes periods (horizontal rows in the periodic table) and groups (vertical rows in the periodic table). Atoms are the basic building blocks of ordinary matter. Atoms are made up of particles called protons‚ electrons‚ and neutrons. Protons carry a positive electrical charge‚
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as we study the interaction of small particles which gives us a better understanding of the world. The data which we have on how electrons and atoms interact is gathered mostly on observations alone. For example‚ the properties of hydrogen atoms can distinguish between the different tissues and muscles within the human body‚ this is because the human body consists of 63% of hydrogen atoms and we learn all this data through the understanding of atomic particles. We can discover several ideas‚ if we
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while Portfolio B has 100 shares. Because of diversification‚ we know that Portfolio B will have the lower systematic risk ie. Portfolio B will have the lower beta. a) True b) False c) Not enough information given d) None of the above. 3. Which of the following statements about risk is false? a) Risk requires at least one outcome less favourable than the
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