'Sodium chloride' diaporamas de présentation

1. What are the structural differences between ionic and molecular compounds?

1. What are the structural differences between ionic and molecular compounds?. 2. How do those differences affect their chemical formulas?. The chemical formula for a covalent compound is called a molecular formula ;. The chemical formula for an ionic compound is called a formula unit.

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Elements and Compounds

Elements and Compounds. Outline. Elements Distribution of the elements Names of the elements Symbols of the elements Introduction to the periodic table Elements in their natural states Diatomic molecules Compounds Chemical Formulas. Element

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Giant Ionic Structures

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Fluid and electrolyte therapy

Fluid and electrolyte therapy. Dr Ed Simmonds Consultant Paediatrics UHCW. Case 1. Four year old weighing 15 Kgs, 24 hour history of D & V. Looks unwell/dehydrated. Trial of oral fluids initially not tolerated. Admitted for management with fluids. How will you proceed?.

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Deoxyribonucleic acid or DNA

Deoxyribonucleic acid or DNA . T he molecule that controls everything that happens in the cell . DNA contains the genetic code or commands that direct the activities of cells and ultimately, the body.

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Santiago Garcia, MD on behalf of PRESERVE investigators

Strategies to Reduce Acute Kidney Injury and Improve Clinical Outcomes After Percutaneous Coronary Intervention: A Subgroup analysis of the Prevention of Serious Adverse Events Following Angiography (PRESERVE) Trial. Santiago Garcia, MD on behalf of PRESERVE investigators

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Pharmacy Needs In a Disaster: Veterinary Patients

Pharmacy Needs In a Disaster: Veterinary Patients. Margo Karriker, PharmD Pharmacist, VMAT 3 University of California, Veterinary Medical Center San Diego NDMS Conference Reno, NV April 2006. Topics to Cover. Medication issues unique to veterinary patients in a disaster

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FIRE PREVENTION

FIRE PREVENTION. Types of Fire Extinguishers: Class A : These extinguishers fight ordinary combustibles such as burning wood, cloth, paper, rubber, upholstery, and plastics. Class B : These fight flammable liquids, gases and greases such as oils, paints, and gasoline.

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Activity 37 Analysis

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The Chemical Context of Life

The Chemical Context of Life. Atomic structure The periodic table Chemical bonding Important elements in living organisms. A. Atomic Structure. Matter Anything that takes up space and has mass Atom The smallest stable particle of matter Composed of protons, neutrons, and electrons.

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Gas Stoichiometry

Gas Stoichiometry. mole ratio from balanced equation . molar mass of x. molar mass of y . PV = nRT. ?. ?. P, V, T (x). P, V, T (y). Gas Stoichiometry. We have looked at stoichiometry: 1) using masses & molar masses, & 2) concentrations. We can use stoichiometry for gas reactions.

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Ionic Bonding

Ionic Bonding. CA Standards. Students know atoms combine to form molecules by sharing electrons to form covalent or metallic bonds or by exchanging electrons to form ionic bonds.

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CHEMISTRY DEPARTMENT WAID ACADEMY

CHEMISTRY DEPARTMENT WAID ACADEMY. Standard Grade Topic 9. 20. What name is given to the reaction of hydrochloric acid with magnesium oxide?. Precipitation. Addition. Acidification. Neutralisation. 20. Which chemical can neutralise an acidic solution?. Copper. Copper oxide.

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Washing Soda

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Elements and compounds

Elements and compounds. Grade 9. Definition of an element. An element is a substance that cannot be made into anything simpler by means of a chemical reaction.

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Changes in Matter

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Electrospinning of hybrid polymers to mimic spider dragline silk

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Physical Properties of Two Solids

Physical Properties of Two Solids. nil. strong. Covalent. Ionic. High. Low. High. Low. Hard/brittle. Soft. soluble. insoluble. poor. poor. good. poor. insoluble. soluble. Questions. Camphor, Strong odour means molecules leave the surface easily

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Organic chemistry lab

Organic chemistry lab. 1. Black, 2. Carbon , 3. Salt / sodium chloride Sodium, chlor ine , Carbon 2. 4 / four 3. Thousands or infinite 4. Carbon retains ability to hold on to other nonmetal atoms, or they can be in rings, or they are longer 5. Can form triple bonds

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