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Entry Task: Oct 22 nd Monday Grab a Clicker Calculator Scratch paper Equation sheet.

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Presentation on theme: "Entry Task: Oct 22 nd Monday Grab a Clicker Calculator Scratch paper Equation sheet."— Presentation transcript:

1 Entry Task: Oct 22 nd Monday Grab a Clicker Calculator Scratch paper Equation sheet

2 Agenda Review Ch. 6-9

3 Clicker Questions Chapter 6

4 What is the frequency of a wave which has a wavelength of nm 0 of x x x x 10 -9

5 Which color of visible light has the least amount of energy per photon? 0 of 30 1.Violet 2.Blue 3.Yellow 4.Red

6 As the principal energy level increases in an atom's orbitals, the average distance of an electron energy level from the nucleus ______________. 0 of 30 1.Increases 2.Decreases 3.stays the same 4.varies

7 The probability map for an electron is called 1.An orbit 2.Electron configuration 3.orbital 4.Electron map 0 of 30

8 A given set of f orbitals consists of ______________ orbital(s). 0 of

9 The maximum number of electrons allowed in each of the d orbitals is of 30

10 The maximum number of electrons allowed in the p sublevel of the third principal level is of 30

11 Phosphorus has how many electrons in its outermost principal energy level? of 30

12 The electron configuration for the sulfur atom is 1.1s 2 2s 2 2p 6 3s 2 3p 2 2.1s 2 2s 2 2p 6 3s 2 3p 4 3.1s 2 2s 2 2p 6 3s 5 4.1s 2 2s 2 2p 6 3s 2 3p 5 0 of 30

13 How many electrons are in the third principal energy level (n = 3) of one atom of Fe? of 30

14 Clicker Questions Chapter 7

15 The first Periodic Table was created by 1.Amadeo Avogadro. 2.Dmitri Mendeleev. 3.Henry Moseley. 4.Ernest Rutherford. 0 of 30

16 The effective nuclear charge felt by an atom’s valence electrons (X) going from left to right and (Y) going down a column on the Periodic Table. 1.X = increases Y = increases 2.X = increases Y = decreases 3.X = decreases Y = increases 4.X = decreases Y = decreases 0 of 30

17 The correct order of increasing atomic radius (smallest  largest) is 1.Na < Mg < K < Rb. 2.Mg < Na < K < Rb. 3.Rb < K < Na < Mg. 4.Rb < K < Mg < Na. 0 of 30

18 The statements below refer to ionic radii. Which statement is FALSE? 1.Br 1– is larger than Cl 1–. 2.Se 2– is larger than Br 1–. 3.K 1+ is larger than Ca Na 1+ is larger than K of 30

19 Two ions are isoelectronic if they have the same 1.charge. 2.number of protons. 3.number of electrons. 4.number of neutrons. 0 of 30

20 The minimum energy needed to remove an electron from an atom in its ground state is called the atom’s 1.potential energy. 2.activation energy. 3.electron affinity. 4.ionization energy. 0 of 30

21 The energy change that occurs when an electron is added to an atom is called the atom’s 1.potential energy. 2.activation energy. 3.electron affinity. 4.ionization energy. 0 of 30

22 The correct order of increasing first ionization energy (smallest  largest) is 1.Na < Ca < Al < Sn. 2.Na < Al < Ca < Sn. 3.Na < Al < Sn < Ca. 4.Ca < Na < Sn < Al. 0 of 30

23 The correct order of increasing electron affinity (most negative  least negative) is 1.O < Cl < B < C. 2.O < Cl < C < B. 3.Cl < O < C < B. 4.Cl < O < B < C. 0 of 30

24 Most metal oxides form _______ solutions when dissolved in water. 1.acidic 2.basic 3.neutral 4.amphoteric 0 of 30

25 Most nonmetal oxides form _______ solutions when dissolved in water. 1.acidic 2.basic 3.neutral 4.amphoteric 0 of 30

26 A soft gray solid reacts with water to form a flammable gas and a basic solution. The solid is most likely to be a 1.noble gas. 2.halogen. 3.group IIA metal. 4.transition metal. 0 of 30

27 Ozone is an allotrope of which element? 1.hydrogen 2.oxygen 3.sulfur 4.chlorine 0 of 30

28 Unknown solid X turns a Bunsen burner flame green and produces a purple color on reaction with NaOCl. X is 1.BaI 2. 2.BaBr 2. 3.SrI 2. 4.d.SrBr 2. 0 of 30

29 The noble gases 1.are monatomic. 2.have filled s and p subshells. 3.are generally unreactive. 4.d.All of the above. 0 of 30

30 Clicker Questions Chapter 8

31 The two types of chemical bonds commonly found in compounds are 1.doric and covalent. 2.ionic and electrolytic. 3.ionic and covalent. 4.electrolytic and compound. 0 of 30

32 The Lewis symbol for a sulfur atom includes how many dots? of 30

33 The octet rule states that atoms tend to gain, lose, or share electrons until they have _______ valence electrons of 30

34 Which compound below has the largest lattice energy? 1.NaCl 2.KBr 3.CaO 4.CsI 0 of 30

35 When a transition metal atom forms a +1 ion, it loses an electron from what type of orbital? 1.s 2.p 3.d 4.f 0 of 30

36 Which choice below correctly lists the elements in order of increasing electronegativity (least  most) ? 1.C < N < O < F 2.N < C < O < F 3.N < C < F < O 4.C < N < F < O 0 of 30

37 Which choice below correctly lists the elements in order of increasing electronegativity (least  most) ? 1.F < Cl < Br < I 2.F < Cl < I < Br 3.I < Cl < Br < F 4.I < Br < Cl < F 0 of 30

38 The carbon disulfide (CS 2 ) molecule has 1.two single bonds. 2.two double bonds. 3.a single bond and a double bond. 4.a single bond and a triple bond. 0 of 30

39 The hydrogen cyanide (HCN) molecule has 1.two single bonds. 2.two double bonds. 3.a single bond and a double bond. 4.a single bond and a triple bond. 0 of 30

40 The formal charge on the nitrogen atom in the nitrate ion (NO 3 1– ) is –1 0 of 30

41 The formate ion (HCO 2 1– ) is stabilized by resonance, which suggests that the oxygen atoms’ formal charges are: 1.–1 and –1 2.0 and 0 3.–1 and 0 4.–1/2 and –1/2 0 of 30

42 Which molecule below violates the octet rule? 1.PF 5 2.CH 4 3.NBr 3 4.OF 2 0 of 30

43 Which molecule below has an unpaired electron? 1.NO 2.NH 3 3.BF 3 4.PF 5 0 of 30

44 For atoms X and Y, the bond enthalpy of an X-Y bond is _______ the bond enthalpy of an X=Y bond. 1.greater than 2.less than 3.equal to 4.variable, depending on X and Y 0 of 30

45 For atoms X and Y, the bond length of an X-Y bond is _______ the bond length of an X=Y bond. 1.greater than 2.less than 3.equal to 4.variable, depending on X and Y 0 of 30

46 Clicker Questions Chapter 9

47 The overall shape of a molecule is determined by its 1.atoms. 2.bond angles. 3.Symmetry. 4.electron affinity. 0 of 30

48 If a central atom is surrounded by six electron domains, the term used to describe its fundamental geometry is 1.square planar. 2.octahedral. 3.square pyramidal. 4.tetrahedral. 0 of 30

49 The geometry of the methane (CH 4 ) molecule is 1.linear. 2.trigonal bipyramidal. 3.trigonal planar. 4.tetrahedral. 0 of 30

50 The geometry of the phosphorus trichloride (PCl 3 ) molecule is 1.tetrahedral. 2.trigonal planar. 3.pyramidal. 4.trigonal bipyramidal. 0 of 30

51 The geometry of the bromine trifluoride (BrF 3 ) molecule is 1.see-saw shaped. 2.trigonal planar. 3.pyramidal. 4.T-shaped. 0 of 30

52 The geometry of the xenon tetrafluoride (XeF 4 ) molecule is 1.square planar. 2.tetrahedral. 3.see-saw shaped. 4.trigonal bipyramidal. 0 of 30

53 Formic acid (HCO 2 H) has an O-C-O bond angle of (X) degrees and a C- O-H bond angle of (Y) degrees. 1.X = 180, Y = X = 120, Y = X = 180, Y = X = 109.5, Y = of 30

54 Which molecule is polar? 1.CH 4 2.BBr 3 3.SF 6 4.NH 3 0 of 30

55 Which molecule is nonpolar? 1.CO 2 2.SO 2 3.IF 3 4.IF 5 0 of 30

56 The hybridization of the oxygen atom in a water molecule is 1.sp. 2.sp 2. 3.sp 3. 4.sp 3 d. 0 of 30

57 The central atom of which molecule below is sp 3 d-hybridized? 1.CH 4 2.SO 3 3.SeBr 4 4.XeOF 4 0 of 30

58 A molecule of acetonitrile (CH 3 CN) contains _______ sigma bonds of 30

59 A molecule of crotonaldehyde (CH 3 CH=CH-CH=O) contains _______ pi bonds of 30

60 How did we do?


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