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Terms in this set (63)the most stable molecular arrangement is the one in which the what electron groups are as far as possible, to minimize electron-electron what outer & repulsion Match each of the following polyatomic ions with its correct names OH- hydroxide which of the following options are correct systematic names for ionic compounds? 1. potassium chloride The chemistry of carbon-based compounds is called what chemistry organic Correctly order the steps required to determine the shape of a molecule, starting with the first step at the top of the list 1. determine the number of outer electrons associated with each atom in the molecule An estimated of the biologically productive space necessary to support a particular standard of living is called a ecological footprint The process whereby a solid forms and separates from solution is called precipitation Which of the following statements correctly describes isotopes? 1.
Isotopes have different numbers of neutrons Match each molecular shape correctly to its associated bond angle tetrahedral- 109.5 Which of the following correctly describes how Roman numerals are used in naming and writing chemical formulas? 1. The ion designated Fe (III) has a charge of +3 Electronegativity generally increases what on the periodic table, excluding noble gases up and to the right The atomic mass of an element is the mass in grams of the same number of atoms found in exactly 12g of what -12 carbon Match the symbols correctly to describe the uneven charge distribution in any polar covalent bond + = marks the atom with the lower electronegativity Nonbonding electron pairs are also referred to as what pairs lone Match each representation of sulfur dioxide to the correct description molecular formula- c Rank the following countries in order of increasing ecological footprint . Start with the country that has the lowest ecological footprint at the top of the list. 1. mexico In the formation of ionic compounds a metal will what electrons and a nonmetal will what electrons to form an ion with the same number electrons as the nearest what gas lose, gain, noble Which of the following options describe the correct format used to represent a chemical compound? 1. In the formula of an ionic compound the cation is always placed first The most abundant isotope of what is the internationally accepted standard for determining atomic mass carbon Which of the following statements correctly describes the mole? 1. one mole of any substance contains 6.02 X 10 23 particles Match each element in the compound NH3 to its correct mass ratio and mass percentage Mass ratio of N= .824 Consider the balanced equation 2HZ+O2-->2H20. The coefficients corresponds to the number of particles of each substance involved in the reaction, which is proportional to the what of each substance number of moles Which of the following elements will form a cation? 1. Ca In a what compound electrons are transferred from one atom or group of atoms to another. Conversely, in a what compound electrons are shared ionic & covalent Which of the following formulas for ionic compounds are written correctly? 1. NaNO3 An atom may lose or gain electrons to form an ion. Match each description of ions and their charges correctly 1. anion The molar mass of any substance is the mass of 1 what of the particles of that substance mole How much sulfur dioxide (SO2) can be produced by the combustion of 21 tons of sulfur (S) 21 tons X 64.0 Which of the following options correctly interpret the information given? Molar mass of NO2 = 46.0 g/mol ; atomic mass of nitrogen 14.0 = g; atomic mass of oxygen = 16.0 g --- There are 14.0g of nitrogen in every 46.0g of NO>2 Fuels formed by natural processes such as the decomposition of prehistoric organisms are called what fuels fossils Match each compound correctly to its molar mass. CCl>4 -------- 154.0 G Which of the following options correctly describe the isotope Cr-53, if the element Cr has an atomic number of 24? 1. the element contains 24 protons in its nucleus A unit that contains two or more elements covalently bonded together but that has an overall charge is called a what ion. Many what compounds contain such units polyatomic & ionic Match the number of outer electron groups correctly to the molecular shape observed 4 bonding pairs - tetrahedral The molecule shown has a what shape tetrahedral Which of the following formulas for ionic compounds are correct 1. CaO For any element, the atomic mass recorded on the periodic table is not a whole number since it is a what of the masses of its naturally occurring isotopes average When naming an ionic compound, the what is always named first. To name the anion, the root of the nonmetal name is added to the suffix cation & -ide Which of the following correctly reflects Avogadro's number there are 6.02 X 10 23 atoms in 12g of carbon -12 Which of the following ion combinations will result in an ionic compound that has a balanced number of positive and negative charges 1.
Na+ and Br The isotope Mg-25 has what protons and what neutrons in its nucleus. Mg has an atomic number of 12 12 and 13 Match each type of electron pair to the correct designation b - bonding electron pair Which of the following statements correctly describe molar mass 1. the periodic table can be used to calculate the molar mass of any substance Which of the following options correctly relate the number of outer electron groups in a molecule to its observed shape --- A linear shape is observed for a molecule with two bonding electron groups and no lone pairs What is the correct systematic name for the compound Na2CO3? sodium carbonate Isotopes are atoms of the same element that have the same what number but a different number. This is because isotopes have the same number of protons but a different number of atomic, mass, neutrons Which of the following options correctly describe the electron group and geometry of the molecule shown? 1. this molecule is trigonal pyramidal in shape Organic chemistry is the study and production of carbon containing compounds Match each of the following polyatomic ions with its correct name acetate- C2H2O2 One system used in the US to encourage reduction in CO2 emissions is the what and what system, which sets an upper limit for CO2 emissions for the year for a given company. A company may purchase extra allowance from a company that is under its limit for the year cap and trade Contrast weather and climate by matching each term to the correct definition weather- describe events of relatively short duration, including daily high and
low temperatures Any gas that can absorb what radiation can act as a greenhouse gas infrared Which of the following have the greatest effect on global warming CO2 emissions Match each type of radiation to the effect it has on a molecule IR radiation --- Causes the molecule to vibrate Which of the following are greenhouse gases? 1. methane The proportion of incoming radiation that is reflected by a surface is called the what. This quantity is a measure of the reflectivity of a surface albedo Which of the following release CO2 into the atmosphere 1. combustion The most important greenhouse has on earth is carbon dioxide The most common strategies currently being developed to reduce levels of atmospheric CO2 generally focuses on technologies and fuels that produce less atmospheric CO>2 Greenhouse gases have a what effect on global warming than other anthropogenic forcings greater Match each component of a solution with the correct description solvent 1. the majority component of the solution The process by which atmospheric gases trap and return more than 80% of the heat energy radiated by earth is called the what greenhouse effect, resulting in an increase in average global temperatures enhanced Which of the following describe the purpose of the Kyoto protocol 1. set targets for reduced greenhouse gases emissions for participating countries Sets with similar termsChapter 5 LS66 terms LuAnnSeng Chem 9 Chapter 385 terms statmuse Chem 9 Chapter 384 terms statmuse CHM 1020 Chapter 383 terms SCymbal10 Sets found in the same folderChem 1100 - Chapter 372 terms hadas_cohen6 Chapter 2, Study Guide42 terms Hambagel Chapter 4 Practice90 terms werekitty93 CHEM1510 Exam 186 terms rachael_bowman Other sets by this creatorChapter nine- nonverbal communication9 terms Paige107 Ch. 8 Nonverbal communication8 terms Paige107 Ch 7 for nonverbal communication33 terms Paige107 Chemistry Ch. 6 Quiz7 terms Paige107 Verified questionsCHEMISTRY Consider the following reacting system: 2 NO (g) + Cl2(g) <=> 2 NOCl (g) What combination of temperature and pressure (high or low) would maximize the yield of nitrosyl chloride (NOCl)? Verified answer PHYSICAL SCIENCE Do you think the United States will ever switch completely to SI? Why or why not? Verified answer
CHEMISTRY Name the following ionic compounds: $$ FeCl_3, $$ Verified answer
CHEMISTRY Fluorocarbons (compounds that contain both carbon and fluorine) were, until recently, used as refrigerants. The compounds listed in the following table are all gases at $25 ^ { \circ } \mathrm { C },$ and their solubilities in water at $25 ^ { \circ } \mathrm { C },$ and 1 atm fluorocarbon pressure are given as mass percentages. For each fluorocarbon , calculate the molality of a saturated solution. $$ \begin{matrix} \text{Fluorocarbon} & \text{Solubility (mass\\%)}\\ {CF_4} & \text{0.0015}\\ {CClF_3} & \text{0.009}\\ {CCl_2F_2} & \text{0.028}\\ {CHClF_2} & \text{0.30}\\ \end{matrix} $$ Verified answer Recommended textbook solutionsChemical Reaction Engineering3rd EditionOctave Levenspiel 228 solutions Chemistry for Engineering Students2nd EditionLawrence S. Brown, Thomas A. Holme 945 solutions
Principles of Environmental Chemistry3rd EditionJames Girard 371 solutions Atkins Physical Chemistry10th EditionJulio de Paula, Peter Atkins 1,315 solutions Other Quizlet setsQMB 3602 Exam 169 terms Thomas_Hoyla Renaissance Grade 813 terms ambalily9 Biochemistry Test 235 terms Jaziboo_42 Related questionsQUESTION why are most ionic substances brittle? 15 answers QUESTION What does a D orbital look like 15 answers QUESTION what is the solubility of silver nitrate if only 11.1 g can dissolve in 5.0 g of water at 20 degrees C 7 answers QUESTION How do you know how many electrons there are? 15 answers What type of ion is S?Naming monatomic anions. Which of the following options correctly describe how straight chain alkanes are named?Straight-chain alkanes are named by using a stem that indicates the number of carbon atoms (meth = 1 C, eth = 2 C's, prop = 3 C's, etc.) to which is added the suffix -ane, indicating that the molecule is an alkane (that is, that the carbon atoms are all connected by single bonds).
Which of the following is the correct definition of a redox reaction?A chemical reaction that takes place between an oxidizing substance and a reducing substance. The oxidizing substance loses electrons in the reaction, and the reducing substance gains electrons.
Which of the following statements correctly describes a mole of a substance?Which of the following statements correctly describe the mole? ---One mole of any substance contains 6.02X 10>23 particles.
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