Chem 100 Exam 2 - Chapters 5-7 Complete Questions With 100%

Electronegativity - correct answers Property of an element that indicates how strongly an atom of that element attracts electrons in a chemical bond Electronegativity - correct answers F O N Cl Valence Electron - correct answers Electron in the outermost energy level of an atom Atomic Radius - correct answers Distance between the center of the nucleus of an atom and the outermost electrons. Ionization Energy - correct answers Energy required to remove the most loosely held electron from an atom Single Replacement - correct answers A+BC-B+AC Double Replacement - correct answers AX+BY-AY+BX Combustion - correct answers Carbon compound reacts with Oxygen to form CO2 C3H8+5O2-3CO2+4H2O Synthesis - correct answers A+B-AB Decomposition - correct answers AB-A+B HONClBRIF - correct answers Write the chemical formulas for the seven diatomic molecules. Ionic Bonds - correct answers Involve the transfer of electrons from a metal to a non-metal Rust - correct answers What is one observation of a chemical reaction? Cation - correct answers Name Ca+2 Anion - correct answers Name O-2 A negatively charged ion will have 8 protons and 10 electrons. ( when negitive you add electrons) Binary Compounds - correct answers are compounds made up of 2 different types of atoms Binary Compound of two nonmetals Rules - correct answers Second element ends in -ide, uses prefixes to determine the amount of each atom mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca Binary Compounds of a nonmetal and a metal Rules - correct answers Second element ends in -ide, does not use prefixes uses charges to determine the formula- all must add up to zero Empirical Formula - correct answers is the simplest whole number ratio of an atom to atom making up a compound Molecue - correct answers A group of atoms that are held together by covalent bonds. Electrons are shared between atoms molecular compound - correct answers a compound formed by a covalent bond Subscript - correct answers A number written to the right and below an element to show its ratio in the compound Octet Rule - correct answers States the atoms loose, gain or share electrons in order to acquire a full set of eight valence electrons Lewis Dot / Electron Dot Diagram - correct answers a model that uses electron-dot structures to show how electrons are arranged in molecules covalent bond - correct answers a bond that results from the sharing of valence electrons Curic - Copper (I) - correct answers Cu⁺¹ Cuprous - Copper (II) - correct answers Cu⁺²Cuprous Ferric - Iron (II) - correct answers Fe+2 Ferrous - Iron (III) - correct answers Fe+3 Binary ionic - correct answers Metal from group 1,2,13 and nonmetal IA - correct answers Alkali Metals are found where on the periodic table? IIA - correct answers Alkali Earthmetals are found where on the periodic table? VIIA - correct answers Halogens are found where on the periodic table VIII - correct answers Noble gases are found where on the periodic table Binary Acid - correct answers Aqueous solution containing hydrogen and other nonmetal Ternary Acid - correct answers Aqueous solution of a comound that contains hydrogen, a non-metal and oxygen IUPAC - correct answers International Union of Pure Applied Chemistry Ending of second element =IDE and uses prefixes to indicate the number of atoms of each element - correct answers Binary Compounds containing Two Non-metals Ionic Bonds - correct answers Contain Metal and Non-Metals - Transfer electrons Covalent Bonds - correct answers Non-metal and Non-Metal ; Share equally or unequally Nonpolar covalent - correct answers Share electrons equally Polar Covalent - correct answers Unequal sharing of electrons Ferrous Oxcide Fe2 (Iron II) - correct answers Low = OUS Ferric Chloride Fe3+ Cl (Iron III) - correct answers High = IC Atomic Radius - correct answers ROAD - Acrossed the road it decreases, down the road it increases Electronegativity - correct answers ROAD - As you go across the "road" it Increases, as you go down the road it decreases FONCL - correct answers Electronegitivity Elements ION - correct answers Dont have equal protons and electrons. C = 6Protons (+1) and 5 Electrons. Is +1 postive PT = 78 protons - correct answers Platinum has a mass of 195, contains 74 electrons. How many protons does PT have? ITE - correct answers 1 or 2 oxygens equals what prefix ATE - correct answers 3 or 4 oxygens equals what prefix IDE - correct answers Two elements together give the prefix of what? Molecular Covalent - correct answers Use prefixes - are Nonmetal and Nonmetal Going up the group and going down the group - correct answers Metallic character decrease when? And increases when? Decreases up the group and across the group. - correct answers State the trends in the periodic table for decreasing atomic radii. Increases up the group and across the group - correct answers State the trends in the periodic table for increasing ionazation energy increasing atomic number - correct answers the modern periodic law states that the properties of the elements repeat when the periodic table is arranged according to what? Elements on the left side - correct answers What elements have the most metallic chartacters? Far right side - correct answers Which elements have the most ionization energy? Binary Ionic (Metal and nonmetal) - correct answers HCi is classifed as what? Ternary Oxyacid - correct answers When formula H , a nonmetal and oxygen in an aqueous state. binary acid - correct answers When formula H, a nonmetal in an aqueous solution. (HCl(aq)) Ternary Ionic - correct answers KClO -When a formula has 3elements and at least 1 Metal. Binary Molecular Compound - correct answers HCl - when a compound has two non metals Mercury(II) ion - correct answers What is the stock system name for Hg2+ ClO- - correct answers What is the chemical formula for the hypochlorite ion? CrOH3 - correct answers What is the chemical formula for the ternary compound composed of Cr3+ and OH- ions? cupric chloride - correct answers what is the latin name for CuCl2? copper(II)sulfate - correct answers What is the stock system name for CuSO4? Hydrogen Sulfide - correct answers What is the systematic name for gaseous H2S? Hydrosulfuric Acid - correct answers What is the systematic name for aqueous H2S? Sulfuric Acid - correct answers What is the systematic name for aqueous H2SO4? True - correct answers True or False: Ionic bonds result from the transfer of electrons, resulting from the attraction of opposit charges.