Ion

possible charge (most of the transition metals) Nonmetals Polyatomic ions (these always have a known charge) All of the compounds you encounter will be one of two types: 1. Ionic Compounds (These are made by combining a metal with a nonmetal or a metal with a polyatomic anion, ionic compounds are held together by the interaction of positive and negative charges) These are made by combining a cation (an atom or polyatomic ion with a positive charge) with an anion (an atom or polyatomic with a negative

D-block ions and the kinetics of reactions iodine clock reaction: By Stephen Parsons 6K2 Centre number: 61813 Candidate number: 8270 Table of Contents My aim and my reaction: 3 Rate of reaction: 4 Activation enthalpy: 5 Collision theory: 6 The effect of temperature on reaction rate: 7 The effect of concentration on reaction rate: 7 The effect of a catalyst on reaction rate: 8 D-block elements: 9 The effect of extra kinetic energy (from stirring etc.): 10 Where do we use D-block ion catalysts

Cole Powlison December 15, 2014 Mr. Gattis Pre-AP Chemistry-5 Discovering the Properties of Different Objects’ Matters and Densities Group Members: Cole Powlison and Cade Andrews Due Date: December 17, 2014 Purpose: The purpose of this lab is to explore the properties of both density and matter in an object. Materials: • One Triple Beam Balance • Sodium Chloride • Sucrose • One Aluminum ball (tin foil) • One Spoon Procedures: 1. A spoonful of sodium chloride was placed on the balance, then measured

Effect of AA content on the swelling ratio of hydrogel Fig. 3b shows the effect of AA on the Q value of hydrogel. With increasing concentration of AA, the Q values of hydrogels increased and then decreased. When AA amount was more than 7 g, the Q values of hydrogels decreased because when the concentration of AA was high, the collision probability between monomers would increase, thus increasing the graft length of sulfonated cellulose, favoring the formation of a polymeric network at higher Q values

RESULTS & DISCUSSION The unknown solution of metal nitrate salts was identified to contain silver (Ag+) and Calcium (Ca2). These cations were discovered through a qualitative procedure that systematically separated the unknown ions from the solution by introducing known reagents and observing the resulting reaction that presented characteristic chemical properties unique to each cation. These observations guided the flow of the procedure, with the expected results of each step accumulating to justify

Water is one of the essential components that are a prerequisite in supporting life. It can be described as an odorless, tasteless and transparent liquid that occur naturally. Water is colorless when it is in small amount, but adopts a bluish color when it is in large quantities. As a natural compound, water is the most abundant and familiar liquid that exist on earth. In its natural solid (ice) and liquid form, water is estimated to cover over 70% of the entire surface of the universe (Sikorski

that does not contain ions. The second thing is to compare the concentration of the anions for each type of water to the regulations designed by Kahramaa. Figure 3: Concentration of Cl- in different types of water with the regulation concentrations in KAHRAMAA Figure 3 above illustrates the concentration of Cl- in different types of water in addition to the regulation limits designed by Kahramaa. The maximum concentration was observed in Aqua gulf water to be (47.5

conductor through which electricity enters or leaves an object or a substance. The net result of two electrode reactions added together is ( H + ions + 4 OH ions ). An ion is an atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a positive or negative electrical charge. Ions can be created either chemically or physically. The cathode, the negatively charged electrode by which

Chemistry 12 Santa Monica College Determination of Kc for a Complex Ion Formation Objectives • • Find the value of the equilibrium constant for formation of FeSCN2+ by using the visible light absorption of the complex ion. Confirm the stoichiometry of the reaction. Background In the study of chemical reactions, chemistry students first study reactions that go to completion. Inherent in these familiar problems—such as calculation of theoretical yield, limiting reactant, and percent yield—is

I have learned from the computer analysis project that my intake in calcium is low, and my intake in sodium is high. My DRI reports showed me that I am receiving only 31% of the recommended daily value for calcium intake. An appropriate amount of calcium is 1300 mg, but I consumed only 409 mg. My DRI reports also showed me that I consumed above the recommended range for sodium. A deficiency of calcium has serious effects just as a toxicity of sodium does. After reviewing my reports, I learned that