which is divided into two main parts. The first part includes the classifications of materials that determine their applicability‚ the structure of the materials explained by the quantum-mechanical principle that relates electrons to energies‚ bonding scheme of different materials‚ the structure of crystalline solids and introduction to imperfection in solids and diffusion mechanism. The first part also includes the introduction of phase diagram. The second part covers the structures‚ behaviors
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THE CHEMICAL EARTH: 1. The living and nonliving components of the Earth contain mixtures ● Construct word and balanced formulae equations of chemical reactions as they are encountered Reactants → products Chemical reaction: the way atoms are joined changes‚ atoms are not created nor destroyed‚ but are rearranged Indicators: emission of light or heat‚ odour formation of a gas formation of a precipitate colour change change in state aqueous = dissolved in water‚ an aqueous solution
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MEC281 MATERIALS SCIENCES OBE-SCL What is OBE-SCL ? Outcome Based Education Student Centered Learning OBE-SCL • Paradigm shift from the teacher-centered to the student-centered learning • Importance : to ensure that all Course Outcomes (COsevery code subjects) are attained at the end of every semester. • Thus assisting the attainment of Program Outcomes (POsEM110 Diploma in Mechanical Engineering) at the end of the program. • Eventually supporting the Program Educational Objectives (PEOs)
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arrangement of carbon atoms present in them. Basic physical and chemical properties of graphite and diamond to highlight their differences are as follows: Differences between Graphite and Diamond Physical Appearance: Graphite is opaque and metallic- to earthy-looking while diamonds are transparent and brilliant. Another important physical difference is their hardness. The hardness of minerals is compared using the Moh’s Hardness Scale‚ a relative scale numbered 1 (softest) to 10 (hardest).
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the following criteria. Criteria reference To achieve the criteria the evidence must show that the student is able to: Task no. Evidence Achieved? P1 Outline the key features of the periodic table‚ atomic structure and chemical bonding 1 Documentation by student Yes/partial/no P5 Describe the key structures and functions of a eukaryotic and prokaryotic cell 2 Document in table format Yes/partial/no P6 Describe different types of energy transfer 3
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assignments with instant feedback and hints • Computer graded self-help problems • Hotlinks in homework to supporting text section • Quizzes Chapter 1 - 2 READING SCHEDULE Week 1 2 3 4 5 6 7 8 9 10 Topic General Intro; Atomic Bonding Crystalline Structures; Imperfections Diffusion; Mechanical Properties Strengthening Mechanisms; Failure Phase Diagrams Phase Transformations Applications & Processing of Metal Alloys Struc.‚ Prop.‚ Proc.‚ Applic. of Ceramics Struc.‚ Prop
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Chemistry Review sheet: Unit 1- Lesson 1‚ 2 *Key notes to keep in mind* ü Metals have a high low ionization energy ü Non-metals have a high electron affinity · Atom: The basic unity of an element which still retains the elements properties · Atomic number: the unique number of protons in the nucleus of a particular element · Isotope: Atoms of the same element which contain a different number of neutrons · Periodic law: The chemical
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LA PURISIMA CONCEPCION ACADEMY (Formerly Mataasnakahoy High School ) Committed to Faithful Service; Inspired by Love FOURTH QUARTER LEARNING PLAN 4.1 Understanding by Design (UBD) Plan in Science and Technology III ( Chemistry ) ____________________________________________________________________________ Topic: Chemical Accounting Subject Area: Chemistry Big Ideas: The Chemical Reactions Year Level: Third Year Allocated
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Non-Chemical Bonding in “Hydrogen”‚ “Iron”‚ and “Cerium” Despite the strong dominance of science in The Periodic Table‚ Primo Levi manages to write a compelling and moving novel about love and friendship‚ while simultaneously exploring the intricate world of chemistry. Friendship and chemistry? One might ask themselves what correlation these two contrasting‚ yet essential aspects of life might have between one another. Through complex chapters such as “Hydrogen”‚ “Iron”‚ and “Cerium”‚ it is revealed
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temperature. An exception to this is mercury‚ which is liquid in nature. Examples: Aluminum‚ Gold‚ Copper‚ Silver‚ Sodium‚ Potassium‚ Mercury. Corrode or oxidize in air and sea water. Readily lose electrons. The structure and bonding of metals is also unique. A metallic substance has atoms that are close packed to their neighboring atoms. There are two common arrangements for metals‚ one of which is the body-centered cubic. In this arrangement each atom is at the center of eight other atoms. The
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