MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A certain mass of carbon reacts with 13.6 g of oxygen to form carbon monoxide. grams of oxygen would react with that same mass of carbon to form carbon dioxide, according to the law of multiple proportions? A) 27.2 B) 6.8 C) 25.6 D) 13.6 E) 136 2) and reside in the atomic nucleus. A) Electrons, neutrons B) Protons, electrons C) Protons, neutrons D) none of the above E) Neutrons, only neutrons 3) What is the formula for perchloric acid? A) HClO B) HClO3 C) HCl D) HClO2 E) HClO4 4) The formula for aluminum hydroxide is. A) Al3OH B) Al2O3 C) Al2(OH)3 D) Al(OH)3 E) AlOH 5) What is the molecular formula for propane? A) C3H8 B) C4H8 C) C3H6 D) C4H10 E) C2H8 6) What is the molecular formula for nonane? A) C10H24 B) C9H20 C) C9H18 D) C10H20 E) C10H22 7) An atom of 17O contains protons. A) 25 B) 8 C) 9 D) 17 E) 11 8) An atom of 15N contains neutrons. A) 22 B) 7 C) 8 D) 15 E) 10 9) An atom of 131I contains electrons. A) 78 B) 131 C) 53 D) 184 E) ) The mass number of an atom of 118Xe is. A) 172 B) 64 C) 110 D) 54 E) 118 1

2 11) The atomic number of an atom of 80Br is. A) 35 B) 45 C) 73 D) 115 E) 80 12) An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is. A) 19F+ B) 17Ne2+ C) 19F- D) 17O2+ E) 17O2-13) How many electrons does the Al3+ ion possess? A) 10 B) 6 C) 13 D) 0 E) 16 14) Which atom has the largest number of neutrons? A) calcium-40 B) chlorine-37 C) argon-40 D) phosphorous-30 E) potassium-39 15) Which isotope has 36 electrons in an atom? A) Br B) Se C) Cl D) Kr E) Hg 16) The gold foil experiment performed in Rutherford's lab. A) utilized the deflection of beta particles by gold foil B) was the basis for Thompson's model of the atom C) led to the discovery of the atomic nucleus D) proved the law of multiple proportions E) confirmed the plum-pudding model of the atom 17) In the Rutherford nuclear-atom model,. A) the light subatomic particles, protons and neutrons, reside in the nucleus B) the three principal subatomic particles (protons, neutrons, and electrons) all have essentially the same mass C) the three principal subatomic particles (protons, neutrons, and electrons) all have essentially the same mass and mass is spread essentially uniformly throughout the atom D) mass is spread essentially uniformly throughout the atom E) the heavy subatomic particles, protons and neutrons, reside in the nucleus 18) How many protons does the Br- ion possess? A) 35 B) 34 C) 6 D) 8 E) 36 19) Predict the charge of the most stable ion of fluorine. A) -2 B) +3 C) -1 D) +1 E) +2 2

3 20) Predict the charge of the most stable ion of potassium. A) +3 B) -2 C) -1 D) +1 E) +2 21) 420 ppm is the same as Angstroms. A) 0.42 B) 4200 C) 42 D) 420 E) 4.2 TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 22) The most metallic halogen is astatine. 23) the possible oxication numbers for gold are 1+ and ) The formula for chromium (II) iodide is CrI2. 25) H2SeO4 is called selenic acid. 26) The correct name for Na3N is sodium azide. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 27) The formula for zinc phosphate iszn3(po4)2. What is the formula for cadmium arsenate? A) Cd3(AsO4)2 B) Cd3(AsO3)4 C) Cd4(AsO2)3 D) Cd2(AsO4)4 E) Cd2(AsO4)3 28) The name of the ionic compound (NH4)3PO4 is. A) nitrogen hydrogen phosphate B) triammonium phosphate C) tetrammonium phosphate D) ammonium phosphate E) ammonia phosphide 29) What is the correct formula for ammonium sulfide? A) NH3S B) (NH4)2SO4 C) N2S3 D) NH4SO3 E) (NH4)2S 30) The formula of the carbonate ion is. A) CO - B) CO2 2- C) CO3 2- D) CO2 - E) CO3 3-31) The formula of bromic acid is. A) HBrO4 B) HBrO3 C) HBrO D) HBr E) HBrO2 32) The correct formula for molybdenum(iv) hypochlorite is. A) Mo(ClO2)4 B) Mo(ClO4)4 C) Mo(ClO)4 D) MoCl4 E) Mo(ClO3)4 3

4 33) Magnesium and sulfur form an ionic compound with the formula. A) Mg2S B) Mg2S3 C) Mg2S2 D) MgS E) MgS2 34) The correct formula of iron(iii) bromide is. A) Fe3Br3 B) FeBr C) FeBr3 D) FeBr2 E) Fe3Br 35) The name of PCl3 is. A) monophosphorous trichloride B) potassium chloride C) phosphorous(iii) chloride D) trichloro potassium E) phosphorus trichloride 36) The correct name for H2CO3 is. A) carbonous acid B) carbohydric acid C) hydrocarbonate D) carbonic acid E) carbohydrate 37) The correct name for HClO2 is. A) hypychloric acid B) chloric acid C) perchloric acid D) chlorous acid E) hypochlorous acid 38) The correct name for H2SO3 is. A) hydrosulfuric acid B) sulfur hydroxide C) hydrosulfic acid D) sulfurous acid E) sulfuric acid 4

5 39) The correct name for Al2O3 is. A) aluminum oxide B) dialuminum oxide C) aluminum trioxide D) dialuminum trioxide E) aluminum hydroxide 40) The correct name for CCl4 is. A) carbon chloride B) carbon chlorate C) carbon perchlorate D) carbon tetrachloride E) carbon tetrachlorate 41) The correct name for CaH2 is. A) calcium hydroxide B) hydrocalcium C) calcium hydride D) calcium dihydroxide E) calcium dihydride 42) Calcium forms an ion with a charge of. A) 0 B) -1 C) +1 D) -2 E) +2 43) Predict the empirical formula of the ionic compound that forms from magnesium and oxygen. A) Mg3O2 B) MgO C) Mg2O D) Mg2O2 E) MgO2 44) The correct name for SrO is. A) strontium hydroxide B) strontium dioxide C) strontium peroxide D) strontium monoxide E) strontium oxide 45) What is the formula of the compound formed between strontium ions and nitrogen ions? A) SrN B) Sr3N2 C) Sr2N3 D) SrN3 E) SrN2 46) Predict the empirical formula of the ionic compound that forms from sodium and fluorine. A) Na2F3 B) NaF C) Na2F D) NaF2 E) Na3F2 5

6 47) Iodine forms an ion with a charge of. A) -1 B) +2 C) +1 D) -2 E) -7 48) Aluminum forms an ion with a charge of. A) +1 B) +2 C) +3 D) -1 E) -3 49) Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between potassium and element X? A) K2X2 B) K2X C) KX2 D) K2X3 E) KX 50) The charge on the manganese in the salt MnF3 is. A) +3 B) +1 C) -2 D) -1 E) +2 51) The formula of a salt is XCl2. The X-ion in this salt has 28 electrons. The metal X is. A) V B) Zn C) Ni D) Fe E) Pd 52) When a metal and a nonmetal react, the tends to lose electrons and the tends to gain electrons. A) nonmetal, nonmetal B) metal, metal C) metal, nonmetal D) nonmetal, metal E) None of the above, these elements share electrons. 53) typically form ions with a 2+ charge. A) Alkali metals B) Transition metals C) Halogens D) Alkaline earth metals E) Chalcogens 54) The empirical formula of a compound with molecules containing 12 carbon atoms, 14 hydrogen atoms, and 6 oxygen atoms is. A) C6H7O3 B) C12H14O6 C) C2H4O D) CHO E) CH2O 6

7 55) Oxygen is a and nitrogen is a. A) metalloid, metalloid B) nonmetal, nonmetal C) nonmetal, metalloid D) metal, metalloid E) nonmetal, metal 56) are found uncombined, as monatomic species in nature. A) Halogens B) Noble gases C) Alkali metals D) Alkaline earth metals E) Chalcogens 57) Potassium is a and chlorine is a. A) metal, nonmetal B) metalloid, nonmetal C) metal, metal D) nonmetal, metal E) metal, metalloid 58) Elements in Group 6A are known as the. A) chalcogens B) alkali metals C) noble gases D) halogens E) alkaline earth metals 59) Elements in Group 7A are known as the. A) chalcogens B) alkaline earth metals C) alkali metals D) noble gases E) halogens 7

8 60) Elements in Group 1A are known as the. A) alkaline earth metals B) chalcogens C) alkali metals D) halogens E) noble gases 61) Horizontal rows of the periodic table are known as. A) periods B) groups C) metals D) nonmetals E) metalloids 62) Which metal forms cations of differing charges? A) Cs B) Ba C) Al D) Sn E) K 63) Vertical columns of the periodic table are known as. A) nonmetals B) metalloids C) periods D) groups E) metals 64) Which pair of elements is most apt to form a molecular compound with each other? A) barium, bromine B) aluminum, oxygen C) sulfur, fluorine D) potassium, lithium E) magnesium, iodine 65) The charge on the ion is -3. A) oxide B) nitride C) acetate D) permanganate E) sulfate 66) Which one of the following polyatomic ions has the same charge as the hydroxide ion? A) phosphate B) carbonate C) sulfate D) nitrate E) ammonium 67) Which element forms an ion with the same charge as the ammonium ion? A) chlorine B) nitrogen C) potassium D) oxygen E) calcium 68) When a fluorine atom forms the fluoride ion, it has the same charge as the ion. A) sulfite B) sulfide C) ammonium D) nitrate E) phosphate 8

9 69) Which species below is the nitride ion? A) NO3 - B) NO2 - C) Na+ D) NH4 + E) N 3-70) Which species below is the sulfite ion? A) H2S B) SO3 - C) SO2 - D) H2SO4 E) S2-71) The suffix -ide is used. A) to indicate binary acids B) for monatomic anion names C) for monoatomic cations D) for polyatomic cation names E) for the name of the first element in a molecular compound 72) The formula for the compound formed between aluminum ions and phosphate ions is. A) AlPO4 B) Al(PO4)3 C) Al3(PO4)3 D) AlP E) Al2(PO4)3 73) Which metal does not require to have its charge specified in the names of ionic compounds it forms? A) Mn B) Fe C) Cu D) Pb E) Ca 74) Which group in the periodic table contains only nonmetals? A) 2B B) 8A C) 6A D) 1A E) 2A 75) Which formula/name pair is incorrect? A) Mn(NO2)2 manganese(ii) nitrite B) Mn(NO3)2 manganese(ii) nitrate C) Mg(NO3)2 magnesium nitrate D) Mg(MnO4)2 magnesium permanganate E) Mg3N2 magnesium nitrite 76) The element is the most similar to strontium in chemical and physical properties. A) At B) Ba C) Cs D) Li E) Rb 77) In the periodic table, the rows are called and the columns are called. A) cogeners, families B) staffs, families C) rows, groups D) octaves, groups E) periods, groups 9

10 78) Which pair of atoms constitutes a pair of isotopes of the same element? A) X X B) 9 6 X X C) 7 10 X X D) 11 6 X X E) 6 9 X 17 8 X 79) The atomic number indicates. A) the number of protons or electrons in a neutral atom B) the number of neutrons in a nucleus C) the number of different isotopes of an element D) the total number of neutrons and protons in a nucleus E) the number of atoms in 1 g of an element 80) 200 pm is the same as Å. A) 2 B) 2000 C) D) 20 E) 200 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 81) What group in the periodic table would the fictitious element :.. X :be found?. 82) What is the name of an alcohol derived from hexane? 83) Carbon can exist in different forms called. 84) Which element in Group IA is the most metallic? 85) Which element in the halogen family would require the greatest ionization energy? 86) The formula for potassium sulfide is. 10