compound‚ metal‚ non-metals‚ ionic compound‚ covalent compound‚ ion‚ cation‚ anion‚ polyatomic ion‚ oxidation no. ‚ chemical formula‚ binary compounds‚ ternary compounds. 2. Ask the importance of giving chemical formulas to compounds. 3. Classify compounds as ionic or covalent. If ionic‚ identify whether binary or ternary. 4. Specify the rules in writing chemical formulas of binary ionic compounds using the Stock and classical method. 5. Specify the rules in naming covalent compounds. 6. Discuss
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atoms joined to the oxygen atom by single covalent bond. Because oxygen is more electronegative than hydrogen‚ the electrons of the covalent bonds spend more time closer to oxygen than to hydrogen; in other words‚ they are polar covalent bonds. The uneven distribution of electrons of water molecules makes it an universal solvent. In overall‚ water has four emergent properties: Cohesion 1. Water molecules stay close each other as a result of hydrogen bonding. 2. Although the arrangement of molecules
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should be able to demonstrate a familiarity with introductory material in general chemistry such as units for measurement‚ formula writing and nomenclature‚ stoichiometry‚ atomic structure‚ periodicity and bonding‚ terms and problem solving in the areas of changes of state‚ acid and base chemistry‚ ionic reactions‚ oxidation-reduction reactions‚ solutions and descriptive chemistry of selected non-metals. The students should be able to: 1. Clearly communicate in writing information derived from course
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1. What is an ionic bond? Typically an ionic bond occurs between one metal and one non-metal ion. One atom borrows one or more electrons from another atom. An ionic bond is a type of chemical bond that occurs when one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion‚ which then result in attraction. 2. What is a covalent bond? A covalent bond is a bond that occurs when atoms in a molecule share a pair of electrons. For example‚ “the
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Topics 1.1 An Overview of Physical States and Phase Changes 1.2 Quantitative Aspects of Phase Changes 1.3 Types of Intermolecular Forces 1.4 Properties of the Liquid State 1.5 Uniqueness of Water 1.6 The Solid State: Structure‚ Properties and Bonding A hot spring on a snowy day The Kinetic Molecular View of the Three States The characteristic properties of gases‚ liquids‚ and solids can be understood in terms of the energy of motion (kinetic energy) of particles (atoms‚
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passing all the tests‚ but only one substance was able to pass all of them. I recommend using sodium carbonate as your substance. Of all the substances‚ only two were covalent and two were ionic. The ionic substances‚ sodium chloride‚ sodium carbonate‚ and salicylic acid‚ came close to the description you requested. The covalent substances‚ sucrose and salicylic acid‚ did not match the descriptions. The best substance would definitely be sodium carbonate‚ since it passed all the tests. Sodium carbonate
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Water is a chemical compound with the chemical formula H 2O. A water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure‚ but it often co-exists on Earth with its solid state‚ ice‚ and gaseous state‚ steam (water vapor). Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1
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CHEMISTRY-LAB 2013 Chemistry-LAB Welcome to the Laurel Springs School Chemistry course! This course is designed to give you a thorough understanding of the fundamental principles and methods of the study of chemistry. Chemistry offers answers to many questions about why the world works the way it does. Have you ever wondered why leaves are green‚ why some metals rust and others do not‚ or how a baking soda & vinegar volcano works? If so‚ this is the course for you! For this course‚ you will be
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Protein Structure on a Tertiary Level The third of four levels of protein structure is the tertiary level. The primary level are strands of the 20 amino acids‚ the secondary level are alpha helix and beta pleats‚ the tertiary level are a combination of helix‚ pleats‚ and bends‚ and the quaternary level involves multiple polypeptide bonds. The tertiary level is a three dimensional level that allows the protein to be fluid and move and make up the R group in the protein structure. There are four
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hydrogen‚ oxygen and nitrogen. Amino acids are made up of an amino group‚ an R group a carboxyl group and an alpha carbon‚ the different R groups of each individual amino acids determines which amino acid they will form. Amino acids bond through covalent peptide bonds this occurs via a condensation reaction‚ which is when one amino acids hydrogen & oxygen (carboxyl group) and another amino acids hydrogen (amino group) react releasing a spare molecule of water (see figure 6) and forming the peptide
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