My diversity begins with my family’s emigration to the United States in 1997. Migrating from a rural and quiet city like Namangan Uzbekistan‚ to Queens New York proved to be extremely difficult. The fall of the Soviet Union and the independence of Uzbekistan in 1991 brought Islamic revivalism to the country and with it‚ the persecution of the Jewish populace that lived there. Threats of violence and slander ensued and eventually‚ my family had fled the country. We arrived to America in hope of an
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4. Valence electrons: 4 Property: Non-metal Abundance:- Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon:- The Covalent
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held together with covalent bonds involving single‚ double‚ and/or triple bonds‚ where a "bond" is a shared pair of electrons (the other method of bonding between atoms is called ionic bonding and involves a positive cation and a negative anion). Molecular geometries can be specified in terms of bond lengths‚ bond angles and torsional angles. The bond length is defined to be the average distance between the centers of two atoms bonded together in any given molecule. A bond angle is the angle formed
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The Carbon Cycle The element Carbon is the principle block for the organic compounds that make up life. This is because the study of the Carbon Cycle draws upon theories from biology‚ chemistry‚ geology and oceanography in order to understand the movement of carbon throughout the atmosphere‚ hydrosphere‚ and geosphere. Carbon is made up of four electrons that are able to form with each other; this causes the many different forms of carbon. The most popular form of carbon is carbon dioxide; this
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Composites Science and Technology 61 (2001) 1899–1912 www.elsevier.com/locate/compscitech Advances in the science and technology of carbon nanotubes and their composites: a review Erik T. Thostensona‚ Zhifeng Renb‚ Tsu-Wei Choua‚* a Department of Mechanical Engineering and Center for Composite Materials‚ University of Delaware‚ Newark‚ DE 19716‚ USA b Department of Physics‚ Boston College‚ Chestnut Hill‚ MA 02167‚ USA Received 1 May 2001; received in revised form 19 June 2001; accepted 21
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Eksamen The roles that a person plays in life have a lot to do with the type of job‚ family dynamics‚ and the environment in which a person lives. Some typical roles are as follows. A student is expected to attend school. He follows school rules and expectations. He is expected to sit in an orderly fashion and respond to questions politely. A friend is expected to be loyal. A friend should be kind and helpful to another person. He should hold the person’s secrets in his heart not sharing
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shielding and penetration on AO energies • Bonding – Review VSEPR and Hybridisation – Linear combination of molecular orbitals (LCAO)‚ bonding / antibonding – Labelling of molecular orbitals (MOs) (σ‚ π and g‚ u) – Homonuclear diatomic MO diagrams – mixing of different AO’s – More complex molecules (CO‚ H2O ….) – MO diagrams for Transition metal complexes An introduction to Molecular Orbital Theory 6 Lecture Course Prof S.M.Draper SNIAMS Institute 2.5 smdraper@tcd.ie 2 Lecture
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Unit 4: Carbon Nanostructures Carbon Structures: • Carbon contains six electrons with electronic structure: (1s2)‚ (2s)‚ (2px)‚ (2py)‚ (2pz). Outer s orbital together with three p orbitals form the chemical bonds of carbon with other atoms. • Conventionally‚ solid carbon has two main structures called allotropic forms: diamond and graphite: - Diamond is tetrahedrally bonded through sp3 hybrid bonds that form a 3D network. - Graphite has a layered structure with each layer called graphene formed
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Topic 9 - The Carbon Cycle Aspects of the carbon cycle are similar to the hydrologic cycle because both are good examples of “Interactions between the systems". Textbook – topic not covered in text. http://www.windows2universe.org/earth/ The Carbon Cycle Neglecting the small amount of carbon (C) added to Earth by meteorite impacts‚ there is a fixed amount of carbon on Earth (~800‚000 billion tonnes). All living things are made of carbon but carbon is also a part of the ocean‚ air‚ and
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Diversity in the United States Josey Wayne Hudson ETH/125 Cultural Diversity Christina Tocco Diversity in the United States Information about diversity in the United States from my perspective Actually it is more personal experience‚ rather than information that has helped me to better understand and relate to others in ways that I may not have in the past. There is one incident that changed my life forever concerning diversity in America. My best friend is African-American. I am White
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