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31) The name of Al2(SO4)3 is A) aluminum(III) sulfate. B) dialuminum trisulfate. C) dialuminum sulfate. D) dialuminum trisulfide. E) aluminum sulfate. 32) The ability of an atom to attract the shared electrons in a covalent bond is its A) electronegativity. B) bonding ability. C) polarity. D) ionic character. E) nonpolarity. 33) Which of the following substances contains a nonpolar covalent bond? A) H3O B).
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  Give the correct number of electrons. A) seven B) eight C) five D) one E) two 11) in the outer energy level of nitrogen 12) in the second energy level of magnesium 13) in the highest occupied electron energy level of chlorine 14) in the first electron energy level of chlorine 15) in the third energy level of sodium Classify the.
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6.4   Matching Questions Indicate the effect of each change upon the pressure of a gas. A) increases B) decreases C) no change 1) decrease in volume (n, T constant) 2) removing some molecules of gas 3) The temperature is doubled. 4) The volume and the Kelvin temperature are reduced by one-half. 5) A leak occurs and gas escapes. 6) One.
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  Indicate the type of bonding you would expect between the following elements. A) polar covalent B) nonpolar covalent C) ionic D) none 15) Na and F 16) N and F 17) F and F 18) He and F 19) H and F Match the chemical name with the correct formula. A) MgSO3 B) MgS C) MgSO4 D)Mg(HSO4)2 E) Mg(HSO3)2 20) magnesium sulfate 21) magnesium hydrogen sulfate 22) magnesium.
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51) The element in this list with chemical properties similar to magnesium is A) sodium. B) boron. C) carbon. D) strontium. E) chlorine. 52) Identify the noble gas in the following list. A) helium B) nitrogen C) oxygen D) gold E) chlorine 53) Semiconductors are located in the periodic table on (or in) the A) left side of the table. B) right side of.
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51) The shape of the boron trifluoride molecule (BF3) is A) linear. B) tetrahedral. C) trigonal pyramidal. D) bent E) trigonal planar. 52) The main type of interaction between molecules of ammonia (NH3) are A) ionic bonds. B) hydrogen bonds. C) polar covalent. D) dipole-dipole attractions. E) dispersion forces. 53) The main type of interaction between molecules of carbon tetrabromide (CBr4) are A).
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3.2   Short Answer Questions Write the electron arrangement for the atom shown. 1) Sodium 2) Chlorine 3) Argon 4) Sulfur 5) Magnesium 6) Phosphorus Write the symbol from the element name. 7) The symbol for sodium is 8) The symbol for lead is 9) The symbol for mercury is 10) The symbol for copper is 11) The symbol for sulfur is 12) The symbol.
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5.2   Bimodal Questions 1) In this reaction, what is the correct coefficient for hydrogen gas? ? H2  +  ? O2  →  ? H2O A) 1 B) 2 C) 3 D) 4 E) 5 Barium chloride and sodium sulfate react according to the following equation. BaCl2  +  Na2SO4  →  BaSO4 +  2NaCl Answer the following question(s) about this reaction. 2) How.
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  3.1   Multiple-Choice Questions 1) The primary substances of which all other things are composed are A) molecules. B) compounds. C) elements. D) electrons. E) protons. 2) Au is the symbol for A) gold. B) silver. C) argon. D) aluminum. E) sodium. Select the correct symbol for the element named. 3) aluminum A) Al B) Am C) Au D) Sn E) Ag 4) iron A) Ir B) Fs C) Fe D) In E) FE 5) sodium A) So B).
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41) The following reaction is an example of a ________ reaction. C5H8  +  7O2  →  5CO2  +  4H2O A) combination B) single replacement C) combustion D) decomposition E) double replacement 42) The following reaction takes place when an electric current is passed through water.  It is an example of a ________ reaction. 2H2O    2H2  +  O2 A) combination B).
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3.4   Matching Questions Do the following represent elements in a group, a period, or neither? A) group B) period C) neither 1) Li, Na, K 2) Li, C, F 3) F, S, P 4) O, S, Se 5) He, H, I Match the correct symbols with the names of elements. A) Ca B) Cl C) C D) Co E) Cu 6) calcium 7) copper 8) carbon 9) chlorine 10) cobalt   .
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3.3   True/False Questions 1) Sulfur is a nonmetal. 2) The atomic number is equal to the number of protons. 3) The mass number is equal to the number of electrons. 4) The atomic number of sodium is 23. 5) Ionization energy increases going down a group. 6) Atomic size decreases going from left to right within.
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6.2   Short Answer Questions 1) Nitrogen makes up about ________ percent of the atmosphere. 2) A barometer is usually filled with ________. 3) One atmosphere is the same as ________ mm Hg. 4) A temperature of 273 °C is the same as ________ K. 5) STP is ________ mm Hg and ________. 6) The pressure unit.
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7.1   Multiple-Choice Questions 1) The O?H bond in water is polar because A) it is an ionic bond. B) oxygen is much more electronegative than hydrogen. C) oxygen occupies more space than hydrogen. D) hydrogen is much more electronegative than oxygen. E) it is a hydrogen bond. 2) A hydrogen bond is A) an attraction between a hydrogen.
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61) Which of the following is the correct electron-dot symbol for carbon? A) B) C) D) E) 62) The atomic size of atoms A) increases going across a period. B) decreases going across a period. C) decreases going down within a group. D) does not change going across a period. E) none of the above 63) The atomic size of atoms A) increases.
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7.2   Bimodal Questions 1) Acetic acid can be classified as a ________. A) gas B) solid C) weak electrolyte D) strong electrolyte E) ionic compound 2) Using a kidney machine to remove waste products from the blood is known as ________. A) osmosis B) osmolysis C) autolysis D) hemolysis E) hemodialysis 3) A ________ will pass through a filter but not a semipermeable.
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4.3   Matching Questions Match the correct name of the polyatomic ions with the formulas given. A) phosphite B) phosphate C) carbonite D) sulfate E) oxide F) hydroxide G) hydrogen sulfite H) hydrogen carbonate I) hydrogen sulfate J) carbonate K) nitrite L)  nitrate M) sulfite 1) NO3- 2) CO32- 3) SO42- 4) SO32- 5) PO43- 6) NO2- 7) HCO3- 8) HSO4- 9) OH- Give the correct valence for ions of the following elements. A) 1- B) 3+ C).
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11) What elements are in hydroxyapatite, Ca5(PO4)3OH, a major compound in human bones and teeth? A) carbon, potassium, oxygen, hydrogen B) calcium, phosphorous, oxygen, hydrogen C) carbon, phosphorous, oxygen, helium D) calcium, phosphorous, oxygen, helium E) carbon, potassium, oxygen, helium 12) Which of the following is a characteristic of the modern periodic table? A) A group is.
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21) What is the concentration, mass/volume percent (m/v), of a solution prepared from 50. g NaCl and 2.5 L of water? A) 5.0% B) 2.0% C) 0.020% D) 0.050% E) 20.% 22) How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution? A) 800. g B) 0.0050 g C) 8.0 g D) 2.0 g E).
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41) Which of the following polyatomic ions has a 3- ionic charge? A) hydroxide B) nitrate C) sulfate D) phosphate E) hydrogen carbonate 42) What is the formula of the nitride ion? A) N3- B) NO2- C) NO33- D) NO32- E) NO3- 43) The name of the HSO4- ion is A) sulfate. B) hydrogen sulfate. C) sulfite. D) hydrogen sulfite. E) sulfide. 44) What is the formula of.
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11) How many equivalents are in 0.60 mole of Mg2+? A) 0.60 equivalent B) 0.30 equivalent C) 1.2 equivalents D) 2.0 equivalents E) 1.0 equivalent 12) How many equivalents are in 0.40 mole of K+? A) 0.40 equivalent B) 0.80 equivalent C) 0.20 equivalents D) 2.0 equivalents E) 1.0 equivalent 13) A solution contains 43 mEq/L of of Cl- and 11 mEq/L.
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21) What is the correct formula for iron (III) sulfide? A) Fe2S2 B) Fe2S C) FeS D) FeS2 E) Fe2S3 22) A(n) ________ is the smallest neutral unit of two or more atoms held together by a covalent bond. A) ionic compound B) nucleus C) molecule D) formula E) unit 23) In a molecule with covalent bonding, A) oppositely charged ions are held.
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  For the following question(s), consider the following equation. 2Mg  +  O2  →  2MgO 51) The number of moles of oxygen gas needed to react with 4.0 moles of Mg is A) 1.0 mole. B) 2.0 moles. C) 3.0 moles. D) 4.0 moles. E) 6.0 moles. 52) The number of moles of MgO produced when 0.20 mole of O2.
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6.1   Multiple-Choice Questions 1) Which of the following is not part of the kinetic theory of gases? A) A gas is composed of very small particles. B) There is very little empty space in a gas. C) Gas particles move rapidly. D) Gas particles do not attract or repel one another. E) Gas particles move faster.
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2.3   True/False Questions 1) Air is a heterogeneous mixture. 2) Black coffee is a homogeneous mixture. 3) A liquid has its own volume and shape. 4) A compound only contains one type of atom. 5) Iron rusting is a chemical change. 6) Ice melting is a chemical change. 7) The heat of fusion is greater than the.
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41) The maximum number of electrons that may occupy the third electron energy level is A) 2. B) 8. C) 10. D) 18. E) 32. 42) What is the element with the electron arrangement 2,8,7? A) Be B) Cl C) F D) S E) Ar 43) What is the electron arrangement for aluminum? A) 2,8,3 B) 2,8,5 C) 2,8,7 D) 2,8,8 E) 2,8,10 44) What is the electron.
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  Pentane (C5H12) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O) according to the following reaction. Answer the following question(s) about this reaction. C5H12 +  ?  O2  →  ?  CO2  +  ?  H2O 31) What is the coefficient for oxygen in the balanced equation? A) 2 B) 4 C) 5 D) 6 E) 8 32).
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2.4   Matching Questions Identify the physical state(s) corresponding to labeled regions on the cooling curve of water shown below. A) solid and gas B) solid C) liquid and solid D) gas E) liquid and gas F) liquid 1) A 2) B 3) C 4) D 5) E Match the state(s) of matter with each of the following descriptions of a substance. A)solid B) gas C) liquid.
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  For the following question(s), consider the following balanced equation. Mg3N2  +  6H2O  →  3 Mg(OH)2  +  2NH3 61) When 36.0 g of H2O react, how many grams of NH3 are produced? A) 34.0 g B) 10.0 g C) 5.67 g D) 11.3 g E) 102 g 62) How many grams of H2O are needed to produce 150 g.
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  4.1   Multiple-Choice Questions 1) The octet rule indicates that A) all of the noble gases have eight total electrons. B) all of the shells in an atom hold a maximum of 8 electrons. C) all of the Group A elements have 8 valence electrons. D) atoms lose, gain, or share valence electrons to have 8.
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  5.1   Multiple-Choice Questions 1) One mole of particles of any substance contains how many particles? A) 106 B) 3 x 10-10 C) 3 x 1010 D) 6.02 x 1023 E) 6.02 x 10-23 2) Avogadro's number is the number of A) particles in 1 mole of a substance. B) amu in 1 mole of a substance. C) grams in 1.
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