The Atomic and Nuclear Structure of an Atom The atom has three main components the protons‚ neutrons‚ and electrons. The protons and neutrons make up the nucleus‚ while the electrons are found outside the atom’s nucleus. Each component of an atom has a charge to it. The protons have a positive charge. The electrons have a negative charge‚ and the neutrons have a neutral charge. The atoms also have a charge. For example hydrogen can be negative‚ positive or neutral. These are called
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Nervous System The nervous system is the part of an animal’s body that coordinates the voluntary and involuntary actions of the animal and transmits signals between different parts of its body. In most types of animals it consists of two main parts‚ the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord. The PNS consists mainly of nerves‚ which are long fibers that connect the CNS to every other part of the body. The PNS includes motor
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Hydrophobic substances –. III. Acids and Bases A. An acid is any substance that increases the H+ concentration of a solution. B. Acids are proton donors 1. An acid is a substance that dissociates in solution to yield hydrogen ions (H+) 2. H+ = one proton C. A base is any substance that reduces the H+ concentration of a solution D. Bases are proton acceptors E.
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nuclear force‚ also called the strong interaction. This force acts against the forces of repulsion of protons and binds neutrons and protons to contain them inside the atomic nuclei. This is how the nucleus of the atom is formed. The force is so strong that the minute particle that carries the force is called “gluon‚” which is means “glue” in Latin. The strength of this force is very particular. The protons and electrons are sensitive and have to be specifically arranged and a have the right distance apart
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Collins BBA 484 Global Strategies Dr. Laura Pogue April 3‚ 2006 Strategic Plan Selection Proton is currently operating in 50 countries. The company is thinking of exporting to places like Iran‚ Syria‚ China and Indonesia. In order for the company to become global it will need to think about expanding its business to markets such as South America where they are not currently present. Proton should also consider expanding their manufacturing sites to each country in which they operate so
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Recall that isotopes of an element are atoms that have the same number of protons but different numbers of neutrons in their nuclei. Different elements are distinguished by having different numbers of protons. Recall that isotopes of an element are atoms that have the same number of protons but different numbers of neutrons in their nuclei. Different elements are distinguished by having different numbers of protons. The released energy and matter are collectively called nuclear radiation.
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SEPERATING CYCLOHEXANE AND TOLUENE BY DISTILLATION Aim: Separate two miscible liquids‚ either by macroscale or microscale process‚ using simple and fractional distillation. Compare the efficiencies of simple and fractional distillation. INTRODUCTION: The purpose of this experiment is to learn how to separate two miscible liquids by microscale process. There will be use of simple and fractional distillation. Simple and fractional distillation efficiencies will be compared. The student should have
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Atoms and the Periodic Table Chapter 2 Atoms and the Periodic Table / Elements and the Periodic Table * An element is a pure substance that cannot be broken down into simpler substances by a chemical reaction. * Each element is identified by a one- or two-letter symbol. * Elements are arranged in the periodic table. * The position of an element in the periodic table tells us much about its chemical properties. Atoms and the Periodic Table / Elements and the Periodic
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electron‚ the proton and the neutron. However‚ the hydrogen-1 atom has no neutrons and a positive hydrogen ion has no electrons. The electron is by far the least massive of these particles at 9.11×10−31 kg‚ with a negative electrical charge and a size that is too small to be measured using available techniques.[46] Protons have a positive charge and a mass 1‚836 times that of the electron‚ at 1.6726×10−27 kg‚ although this can be reduced by changes to the energy binding the proton into an atom
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INTRODUCTION BACKGROUND OF COMPANY The Perusahaan Otomobil Kedua Sendirian Berhad (English: Second Automobile Manufacturer Private Limited)‚ usually abbreviated to Perodua is Malaysia’s second largest automobile manufacturer after Proton. It was established in 1992 and launched their first car‚ the Perodua Kancil in August 1994.’M2’ was refers to the codename which was used when the project to establish Perodua was still Top Secret. The shareholders of Perodua are UMW Corporation Sdn Bhd with
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