life because of its uses in medicine‚ industry‚ and agriculture(Shriver). Sodium was discovered in 1807 by a man named Sir Humphrey Davy. He was well known for his discoveries of most alkali metals and Alkaline Earth Metals‚ such as potassium‚ magnesium‚ and many more(Chemicool Periodic Table).Sodium is from the alkali metal family. There are five more chemical elements from the same exact family. The period number of sodium is three. Na is the chemical symbol of sodium on the periodic table. Na is
Free Periodic table Chemical element Sodium
reactions occurring. Once you observed each reaction take place‚ you needed to fill out your data table. Data Table: Solubility Rules Table | Negative Ion (Anions) | Positive Ions (Cations) | Solubility ofCompounds | All negative ions are with | Alkali ions (Na) | Soluble | All negative ions are with | Hydrogen (H+) | Soluble | All negative ions are with | All positive ions | Soluble | Nitrate NO3- ions are with | All positive ions are | Soluble | Acetate CH COO- ions
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PERIODIC CLASSIFICATION OF ELEMENTS Introduction There are 115 elements that are known at present. Some elements have similar properties whereas some others have completely contrasting properties Scientists began to look for some pattern in the properties of these elements Dobereiner’s triads In 1817‚ Johann Wolfgang Dobereiner‚ a German chemist‚ classified elements into groups based on their properties. He kept all elements having similar properties in one group. Most of his groups had three
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carbonate solution (which is an alkali solution). Once I have mixed this solution I can use it to perform a series of titrations to find out accurately what the concentration of the acid rain is. I have chosen to perform a titration because it is an accurate method of finding out the unknown concentration of the acid rain and titrations can be executed completely by using standard lab equipment. Neutralisation Reaction A reaction between solutions of acids and alkalis that give neutral pH products
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ACIDOSIS and ALKALOSIS Acidosis * An increased acidity in the blood and other body tissue (i.e.‚ an increased hydrogen ion concentration). If not further qualified‚ it usually refers to acidity of the blood plasma. * Acidosis may not cause any symptoms or it may be associated with nonspecific symptoms such as fatigue‚ nausea‚ and vomiting. Acute acidosis may also cause an increased rate and depth of breathing‚ confusion‚ and headaches‚ and it can lead to seizures‚ coma‚ and in some cases
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and in our own homes. Most of these acid gases are blown into the sky‚ and when they mix with the clouds it can cause rain - or snow‚ sleet‚ fog‚ mist or hail - to become more acidic. The opposites of acid are alkalis; for example‚ toothpaste and baking powder are both alkalis. Strong alkalis can also be dangerous‚ such as ammonia and bleach. Lemon juice‚ vinegar and cola are all acidic. Rain is naturally acidic‚ but acid gases make it even more acidic‚ sometimes as acid as lemon! Nature can also produce
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Francium is not a very useful outside of the science community. Even though francium is not very interesting i don’t know how but i made 7 paragraph of it. So hope you enjoy the essay... The element francium has a lot of physical properties. Like francium atomic number is 87. Francium’s atom is (233)g.m ol and its destiny is unknown. Its melting point 27 celsius and its boiling point is 677 celsius. Francium is also very reactive to flame retardant. The element francium is
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and finishing. Sequence/Flow chart of wet processing: Inspection of grey fabric Brushing Stitching Shearing and cropping Singeing Desizing Scouring Souring Bleaching (Optional) Mercerizing Dyeing Printing Washing Drying Finishing (Cotton/Flax) (Alkali) (Acid) General theory of dyeing Dyeing is the process of coloring textile material by immersing them in on aqueous solution of dye which is called dye liquor to improve the off effectiveness of dyeing heat is applied in to the dye liquor the
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C2 REVISION – CHAPTER 1 – STRUCTURE & BONDING Fill in the gaps: When two elements react together they make a _________ substance called a_________. It is _________ to separate the elements after the reaction. Some atoms react by sharing electrons. We call this _________ bonding. Other atoms react by _________ or _________ electrons. We call this _________ bonding. When atoms react in this way they get the electronic structure of a _________ gas. Use pictures and words to describe each type of bonding:
Free Atom Electron Ionic bond
Department Of Education Col. Patrocinio Artuz National High School Taft Tapaz‚ Capiz “The Utilization Of Broccoli (Brassica oleracea) As A Skin Moisturizer” Prepared by: Jonas James G. Dignadice TABLE OF CONTENTS I. Title II. Abstract III. Introduction a). Background of the Study b). Statement of the Problem c.) Objectives d.) Scope and Limitation e.) Definition of Terms f.) Review of the Related Literature IV
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