Which of the following elements has the smallest first ionization energy A Rb B

# Which of the following elements has the smallest

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44.Which of the following elements has the smallest first ionization energy? A.RbB. MgC. D. AsE. FI 45.Identify the element of Period 2 which has the following successive ionization energies, in kJ/mol. IE1, 1314IE2, 3389IE3, 5298IE4, 7471IE5, 10992IE6, 13329IE7, 71345IE8, 84087 B 12
46.Which of the following elements has the largest second ionization energy (IE2)? BO 47.Elements with the highest first ionization energies are found in the ___________ region of the periodic table. 48.Which one of the following equations correctly represents the process involved in the electron affinity of X? A. X(g) → X+(g) + e-B. X+(g) → X(aq)C. X+(g) + e-X(g)D.X(g) + e-→ X-(g)E. X+(g) + Y-(g) → XY(s)+ 49 .Convert the following units;(a)200calories to J. 836.8(b) 1500calories to KJ. 6,276,00050.Calculate the amount of heat energy absorbed by 450g of water heated from 25C to 85C given that specific heat capacity of water is 4.184J/gC 13
112,968 J.14
Give the quantum numbers for that describes an electron in the following orbitals (a) 2pN=2 L=1 M=-1,0,1(b) 3sN=3 L=0 M=0(c) 3dN=3 L=2 M=-2,-1,0,1,251. Write the electronic arrangement (configuration) for the following;(a) Na. 1s^2, 2s^2, 2p^6,3s^1(b) Ni. 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^8(c) Co2+. 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^9(d) S2- (e) Fe3+52. Arrange the following elements in order of increasing firstionization energy;(a)K, Li, Rb, NaRb, K, Na, Li(b)Mg, Na, AlNa, Mg, Al53. Arrange the following elements in order of increasing atomic radii(a)Be, Sr, Ca, MgBe, Mg, Ca, Sr(b) O, C, Be, NO,N,C, Be;15
54. Calculate the following;(a)Energy of a photon of wavelength 300nm(b) Wavelength of a photon of energy 2.08 x 10 (c)wavelength of a photon of frequency 4.0 x 10 55. Apply the Bohr model of electronic transition and the Rydberg’s equation to calculate the wavelengths in nmof a photon (light) needed for the electronic transitions below;(a) n3→n4(b) n3→n5(c) n3 56. Calculate the energies in J for the electronic transitions in question 11 above. 16
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