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INORGANIC CHEMISTRY

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
have fixed compositions and distinct properties.   show
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deals with Matter its composition, properties and its reactions   show
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anything that occupies space and has mass   show
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quantity of matter that it contains.   show
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are substances that cannot be decomposed into simpler substances by chemical means. They are the basic substances out of which all matter is composed   show
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are the substances composed of two or more elements united chemically in definite proportions by mass. They can be decomposed by chemical means into simpler elements.   show
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show Mixtures  
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show Homogeneous mixtures  
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Compositions of mixtures can vary continuously.   show
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are substances whose composition, properties and appearance differ throughout.   show
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vinegar, brine, syrup, blood, air, rain, natural gas   show
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show Heterogeneous mixtures  
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also known as suspension (particularly when they are in liquid form)   show
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2 or more elements that have been held together by chemical bonds   show
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1 phase (either solid, liquid, gas)   show
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show Triads  
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show Triads  
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show Physical properties:  
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refer to the characteristics that enable one to distinguish one substance from another.   show
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rusting metal, burning fuel, milk turning sour   show
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show Physical change  
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involves the transformation or change of one kind of matter into another; it results in the formation of a new substance with different properties   show
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) is organized so scientists can quickly discern the properties of individual elements such as their mass, electron number, electron configuration and their unique chemical properties   show
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left side of the table   show
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reside on the right side of the table   show
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How many vertical rows in the periodic table?   show
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How many families in each group?   show
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How many horizontal rows?   show
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The 6 periods end with???   show
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show . Non-metal  
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occupy a narrow band between the metal and non-metals like silicon and germanium.   show
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show Octaves  
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Used the concept of the triads and octaves and devised a way to categorize elements   show
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show Ionic Compound  
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show covalent compounds  
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show Ions  
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show Cations  
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species with overall negative charges   show
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formed only when electrons move from one atom to another   show
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Compounds formed from positive and negative ions   show
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Individual atoms can gain or lose electrons   show
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each element that forms cations is...   show
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metals tend to form cations, while nonmetals tend to form anions   show
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Every element in the first column forms a cation with...   show
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Every element in the second column forms a cation with charge...   show
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show 2- charge  
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show 1- charge.  
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Involves sharing of electrons   show
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Atoms can gain a full valence shell (electron) by either sharing electron (covalent bonding) or by transferring electron (ionic bonding)   show
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are substances which are made of more than one atom or element   show
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show chemical bonds  
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show valence electrons  
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show G.N. Lewis  
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show Dots  
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consists of the symbol for the element and a dot(s) to represent the outermost electron(s) in the atom.   show
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the completion of the maximum 8 number of electrons.   show
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results from the electrostatic attraction between two oppositely charged ions, the action and the anion   show
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show Ionic Bond  
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arises from the sharing of one or more pairs of electrons between two atoms which have the same tendency to give or pick up electrons   show
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when a non-metallic element combines with another non-metallic element, electrons are neither gained nor lost by the atoms but are shared.   show
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combination of symbols for atoms or ions that are held together chemically.   show
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show Oxidation Number or Oxidation State  
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show True  
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The atom that is more electropositive has the positive oxidation number and the atom that is more electronegative has the negative oxidation number   show
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show Binary compounds  
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show anion group.  
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show ternary compounds.  
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show “Classical System”  
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cation with the lower oxidation state is modified to end in   show
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cation with the higher oxidation state will end in   show
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the English name of the metal is used but the oxidation state is indicated by a Roman numeral enclosed in parentheses   show
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are certain molecular compounds in which hydrogen is combined with a second nonmetallic element   show
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show Ionization  
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a substance that breaks up into ions in solution   show
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if a substance completely ionized   show
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if a substance is only partially ionized   show
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show Weak acid or base –  
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one that is completely ionized   show
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show Amphiprotic or amphoteric  
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a solution which contains a weak acid and its conjugate base or a weak base or conjugate acid. It has a remarkable property of maintaining an almost constant pH even though a strong acid or base is added to the solution   show
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show Alkalosis –  
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– low pH of blood   show
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weak acids and bases are written in molecular form, and strong acids and bases are written in the form of ions   show
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. shows only those ions that actually undergone a chemical change   show
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ions which do not undergo any change   show
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show Acids  
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Has a sour taste   show
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Neutralizes base   show
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show Acids  
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Has a bitter, biting taste   show
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show Base  
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Neutralizes acids   show
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Turns litmus paper to blue   show
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show Sulfuric acid  
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show Hydrochloric acid  
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It is used to make fertilizers and explosives   show
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show Phosphoric acid  
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The acid in vinegar is dilute acetic acid   show
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show Citric acid  
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It is found in carbonated drinks   show
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show Sodium hydroxide  
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show Potassium hydroxide  
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show Magnesium Hydroxide  
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show Aluminum hydroxide  
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show Ammonium hydroxide  
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show pH meter  
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show 7.35 – 7.45  
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pH less than 7.35   show
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show alkalosis  
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show Neutralization  
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show Neutralization  
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the point where an acid or base has been added in amounts equivalent to each other   show
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show Titration  
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show Standard solution –  
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show End point –  
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Power of hydroxide   show
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if pH = 7   show
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show solution is basic  
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if pH = less than 7   show
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show pH  
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Non-metal oxide   show
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non-metal + water =   show
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show Basic Anyhydride  
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show Acid Anhydride  
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show Basic Anyhydride  
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show metal hydroxide (base)  
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show pH and POH concepts  
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show Acids  
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decrease the concentration of hydrogen ions (by accepting them)   show
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show True  
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show Danish biochemist Sören Sörensen  
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pH scale formula   show
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show concentration  
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show [H+]  
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Substances with a pH between 0 and less than 7   show
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Lower pH means higher hydrogen ion concentration   show
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Substances with a pH greater than 7 and up to 14   show
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show True  
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pH= 7   show
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Solutions are homogeneous mixtures   show
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show Solvent  
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show Solute  
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The maximum amount of a substance dissolved in a given volume of solvent is called   show
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A solution that has reached the maximum solubility   show
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show equilibrium  
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Substances such as H2, O2, N2, CH4, CCl4 etc. are called   show
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s H2O, NH3, CH3OH, NO, CO, HCl, H2S, H3P etc. are called   show
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show miscible  
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solubility of methyl alcohol and water   show
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liquids that are insoluble in each other   show
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solubility of oil and water   show
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Nonpolar compounds tend to be more soluble in nonpolar solvents than in polar solvents   show
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an increase in temperature results in increased solubility.   show
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show dilute solution  
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contains a relatively large amount of solute   show
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expresses the concentration of solution as the percent of solute in a given mass of solution.   show
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show Molality (m)  
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the number of moles of solute per liter of solution.   show
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show Normality  
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show Normality  
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show Molarity  
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In a chemical reaction atom are neither created nor destroyed. All atoms present in the reactants must also be present in the products.   show
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show Chemical equation  
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show indicates the direction of the reaction.  
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The reactants are placed to the left and the products to the right of the arrow   show
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show Plus sign  
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show Coefficient  
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show heat  
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The balanced equation therefore obeys the ____________   show
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A reaction in which two or more substances combine to form a single new substance.   show
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Also called synthesis reactions   show
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A + B ---> AB   show
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are capable of adopting multiple positive charges within their ionic compounds   show
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Starts from a single substance and produces more than one substance   show
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show Decomposition reaction  
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show Single Displacement Reactions  
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show Double Displacement Reactions  
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show Double Displacement Reactions  
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solution a system in which one or more substances are _________ or dissolved in another substances   show
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show solute  
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show solvent  
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