How to determine if a number is a prime number g. Number Laws xi. Know 1. And 2. h. Equations xii. What are they for? i. Graphs xiii. What are they for? xiv. What are they? xv. Elements that every graph should have. j. Mean, Median, Standard Deviation xvi. Definitions xvii. Know how to calculate mean and median k. Geometry and Trig. xviii. Know how to do the shown calculation. 3
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INTRODUCTION GROUP 2 (THE ALKALINE EARTH METALS) These elements are categorized as group 2 because they have two electrons in their outer shell, therefore each element in this group will lose two electrons in order to form a 2+. According to RSC (n.d) group 2 elements are all metals with silver-white color. ELEMENT | SYMBOL | No. OF ELECTRONS
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882-E; number 2 pencil STUFF TO KNOW: What do all living organisms do? Surface to Volume Ratio (compare big to small organisms), Atom (what is it and what is it made from); the 4 major elements that make up living organisms; why antioxidants are good; What are the 4 main molecules of living organisms; What are the main functions of each of these types of molecules; Know the main organelles of the cell, and their function Three Primary tissues; layers of the skin (2 main layers); Two main regions
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in LengthOriginal Length (%, in/in, mm/mm) * Elastic behavior * Elasticity- instantaneous response (deformation to load) and must return to its original shape when the load is removed. Stretches the bonds between atoms-doesn’t change arrangement of atoms * Young’s Modulus (Modulus of Elasticity)- Slope of the linear portion of the stress-strain curve E=σε * Poisson’s ratio- Ratio of the lateral strain to the axial strain (must be between 0.0(compressible material)-0
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Chapter 1: Our Place in the Universe 1.1 Our Modern View of the Universe * Geocentric universe: Earth-centered * Solar system: the Sun and all the objects that orbits it * Our solar system formed 4.5 billion years ago * Galaxy: great island of stars in space, having from a few hundred million to a trillion or more stars * Milky Way Galaxy contains more than 100 billion stars; our Milky Way is in the Local Group * Galaxy cluster: collection of galaxies bound together
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Chemistry Notes 2010 Core Module 1: Production of Materials Contextual Outline Humans have always exploited their natural environment for all their needs including food, clothing and shelter. As the cultural development of humans continued, they looked for a greater variety of materials to cater for their needs. The twentieth century saw an explosion in both the use of traditional materials and in the research for development of a wider range of materials to satisfy technological developments.
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1 The analysis of Graphene material Alinur Mirassov, Azat Yerkinova, Gaukhar Balbayeva Madi Aldabergenov, Takhmina Torgayeva Abstract: Recently, graphene has attracted the interest of significant number of scientists and physicians due to its exceptional properties (e.g., large surface area, thermal and chemical stability, high conductivity). This new member of the carbon family has potential to revolutionize the current applications (some of them are described in the essay) as well as
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aminoacids containing both one paraffin and one radical acid practicality within the same molecule (or their building block annulated condensation product "lactams"). Co-polyamides are selected by listing their monomers separated by a slash, e.g. PA 6 and 66 for the copolymer of caprolactam, hexene diamine and adipic acid. Many technically used artificial polyamides are derived from monomers containing 6-12 carbon atoms; most important are PA6 and PA66. The film sector is dominated by PA6 and the random
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versatile elements in existence. Carbon is one of the most abundant elements in the human body, second only to oxygen; without it, neither humans, nor any other living thing could exist. Every living thing is dependent on carbon, so why is it that the difference of one little molecule of oxygen can be so deadly? If carbon dioxide is being expelled from our bodies twenty four hours a day, why is it that carbon monoxide can literally take us out of the rat race? Is that one little oxygen molecule really
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Lipids LIPIDS Composition Elements – Carbon, Hydrogen and Oxygen Structure How are Triglycerides Formed Lipids are formed when 3 fatty acids combine with glycerol. Glycerol is an alcohol – it has 3 hydroxyl (OH) groups. To each of these OH groups, a fatty acid attaches itself. Each time this happens water is eliminated. The result is a triglyceride (this is the chemical name for lipids). Show diagram of triglyceride formation Fatty Acids Lipids are made up of a number of
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