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Chemical Bonds Practice Test (Daily Grade) 1 Atoms form bonds with other atoms in order to become A ions B neutral C isotopes D stable 2 In an ionic bond between Potassium and Fluorine, Potassium would ____ electrons and Fluorine would ___ electrons. F lose, gain G gain, lose H gain, gain J 3 share, share Elements in Group 2 would likely form bonds with elements in group ___ A 2A B 1A C 6A D 4A Page 2 GO ON 4 Oxidation numbers F describe what atoms tend to do with their valence electrons G describe the amount of valence electrons H are always positive J 5 describe if an ionic or covalent bond will form Metals tend to lose electrons and become A negative B positive C anions D neutral 6 The oxidation number for Group 3A (13) is F 3- G 3+ H 5J 5+ Page 3 GO ON 7 In the compound CaCl2 , which of the following is TRUE? A There are 3 different elements in this compound. B The oxidation number for Chlorine is 2- C There are 2 Chlorine atoms in this compound. D Calcium has an oxidation number of 1+ 8 Which of the following is the correct chemical formula for potassium bonded to fluorine. F KF G K1+F1H K2 F J 9 K7 F Which of the following is the correct chemical formula for aluminum bonded with chlorine? A AlCl B Al3+Cl1- C Al2 Cl3 D AlCl3 Page 4 GO ON 10 Which of the following is the correct chemical formula for rubidium bonded with oxygen? F Rb2 O2 G Rb2 O H Rb1+ O2J 11 12 Rb6 O In the compound CCl4 is this a covalent or ionic bond? A ionic B covalent In the compound Ba3 N2 is this an ionic or covalent bond? F ionic G covalent 13 For the compound Na2 O, which of the following would be the correct name? A Sodium oxide B Sodium monoxide C Disodium monoxide D Monosodium dioxide Page 5 GO ON 14 For the compound NO4 , which of the following would be the correct name? F Nitrogen oxide G Mononitrogen tetroxide H Nitrogen tetroxide J 15 Tetranitrogen monoxide Which of the following is TRUE? A Lithium has an oxidation number of 1- B Lithium would combine in a 1 to 2 ratio with Bromine C Lithium tends to lose its one valence electron D Lithium tends to bond with other elements covalently. 16 Which of the following is TRUE? F Chlorine has an oxidation number of 7. G Chlorine bonds with Magnesium in a 2 to 1 ratio. H Chlorine forms an ionic bond with oxygen. J Chlorine has 1 valence electron. Page 6 GO ON 17 We write subscripts in the chemical formula in order to represent A law of conservation of mass B law of definite proportions C law of conservation of energy D none of this are accurate 18 Which of the following accurately represents chlorine in Lewis Dot Diagram form? F G H J 19 Stable atoms have A a neutral charge B a full valence shell C an oxidation number of 1 to 4 D no valence electrons Page 7 GO ON 20 Which of the following Lewis Dot Diagrams is incorrect for the bonding pair? F G H J Page 8 BE SURE YOU HAVE RECORDED ALL OF YOUR ANSWERS ON YOUR ANSWER DOCUMENT STOP Test Key Chemical Bonds Practice Test (Daily Grade) Correct Answer Primary SE Secondary SE Obj/Cat 1 D None None None 2 F None None None 3 C None None None 4 F None None None 5 B None None None 6 G None None None 7 C None None None 8 F None None None 9 D None None None 10 G None None None 11 B None None None 12 F None None None 13 A None None None 14 H None None None 15 C None None None 16 G None None None 17 B None None None 18 G None None None 19 B None None None 20 J None None None ## Item # Teacher Instructions Scoring Rubrics