****Atoms Think and Compare: Page 331 Q-3 Consider these atoms: hydrogen H‚ aluminum Al‚ argon‚ Ar. Rank them‚ from smallest to largest‚ in order of (a) size; (b) number of protons in the nucleus; (c) number of electrons. In order of size from smallest to largest: Hydrogen H‚ Argon Ar‚ Aluminum Al. In order of proton from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. In order of electron from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. Q-4 Consider these atoms:
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Unit 2 Lesson 3 The kinetic theory of matter explains that matter is made up of particles‚ which are in constant motion resulting in the different states of matter. Matter is made of constantly moving particles‚ which tells us how the matter in solids‚ liquids‚ and gases behaves. When molecules bump into each other‚ they do not gain or lose energy‚ they only transfer it‚ so there is no net energy change (law of the conservation of energy). In a solid‚ molecules vibrate in a fixed position
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The Structure of Matter There is a large overlap of the world of static electricity and the everyday world that you experience. Clothes tumble in the dryer and cling together. You walk across the carpeting to exit a room and receive a door knob shock. You pull a wool sweater off at the end of the day and see sparks of electricity. During the dryness of winter‚ you step out of your car and receive a car door shock as you try to close the door. Sparks of electricity are seen as you pull a wool blanket
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4Chapter 2: the Structure of the Atom A) Matter 1. Matter 2 3 Element Compound 4. Atom 5. Molecule 6. Ion 7. Diffusion Is anything that occupies space and has mass. Is made up of tiny and discrete particles. There are spaces between these particles. These particles may be atoms‚ molecules or ions. Matter exists in three states solid‚ liquid and gas Is a substance that consists of only one type of atom Is a substance that contains two or more elements that are chemically bonded together Molecule
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Acid: substance that donates a proton to another substance Base: substance that accepts a proton from another substance -Lewis: Acid: electron pair acceptor Base: electron pair donor Be able to identify Arrhenius‚ Bronsted-Lowry and Lewis acids and bases in an acid-base reaction equation. Understand the concept of conjugate acid-base pairs and how each member differs from the other by one proton. -conjugate base formed by removing a proton from the acid -conjugate acid
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Nerissa Govender 209539579 CHEM 310 Experiment 1- Synthesis of Co (acac)3 Date of experiment performed: 03 August 2011 Date of hand in: 10 August 2011 Aim To prepare cobalt (III) acetylacetonate in the laboratory using cobalt (II) carbonate and acetylacetone at room temperature and pressure. Introduction The anion acetylacetone (acac) used in this practical functions as a ligand which forms a complex with the cobalt metal cation in an octahedral array where there is electrostatic bonds
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into one molecule of molecular oxygen. The 4 electrons removed from the water molecules are transferred by an electron transport chain to ultimately reduce 2NADP+ to 2NADPH. During the electron transport process a proton gradient is generated across the thylakoid membrane. This proton motive force is then used to drive the synthesis of ATP. This process requires PSI‚ PSII‚ cytochrome bf‚ ferredoxin-NADP+ reductase and chloroplast ATP synthase. I. Photosystem II Photosystem II transfers electrons
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College of Arts and Science has a research about the “Nuclear Magnetic Resonance Studies of Field Effects on Single Crystal Smb6 conclude that The low temperature anomaly of SmB6 appears to be an intrinsic characteristic of the system both from the NMR data and previous bulk measurements. Recent models have made use of excitonic states but have emphasized either the charge or spin characteristic of the gap. According to Kasuya the charge and spin gap are one in the same since the correlation effects
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the transfer of electrons from NADH‚ FADH2‚ and O2 molecules. The electrons are used to pump protons across the membrane and into the intermembrane space creating a proton gradient. The electrons are then accepted by O2 to make H20. The protons move down their concentration gradient and are pumped back into the matrix by passing though a transport protein called ATP synthase during chemiosmosis. The protons power ATP synthase as they diffuse down the gradient thus catalyzing the production of
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1.0 ASSIGNMENT 1 1.1 Automobile Industry History The birth of the car as we know it today took several years and the works and developments of many people. It was not until 1885 that the first car rolled down the streets‚ however‚ earlier attempts at steam powered road vehicles were successful‚ giving people the idea that cars as we know them today have existed for a lot longer than they have. In the year 1769‚ a French engineer by namely Nicolas J. Cugnot invented the first automobile to
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