Placed the elements N, O, As, Se in order from least to greatest atomic radius. a. N<0< As < Se b. N< As < 0 < Se c. O

Which of the following correctly ranks elements in terms of increasing atomic size based on periodic trends?  (i.e. smallest < small < large < largest) a. Cr < Ca < Br < Rn b. F < Si < Ne < C c. Rb < Li < P < Cs d. Cl < Al < K < Rb e. Xe < Ar < S < He

5. The relative ionization energies for some elements are shown. Identify the elements. First Second Third Fourth X 170 350 1800 2500 Y 200 400 3500 5000

Use periodic trends to compare the elements K, Ge, Si, and S, with regard to the following properties. 1 17 18 2 H. H. Не 2 13 14 15 16 3 4 6. 8 9 10 Li Be N F Ne 11 12 13 14 15 16 17 18 Na Mg 6 Al Si P S CI Ar 3 4 5 7 8 9. 10 11 12 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Са Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 37 38 39 40 41 42 Mo Tc 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr | Nb Ru Rh Pd Ag Cd In Sn Sb Те I Хе 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ва La Hf Ta W Re Os Ir Pt Au Hg TI Pb Bi Po At Rn 87 88 105 107 112 113 Nh 115 Mc 89 104 106 108 109 110 111 114 116 117 118 Fr Ra Ac Rf Db Sg Bh Hs Mt Ds | Rg| Cn FI Lv Ts Og 58 59 60 61 62 63 64 65 66 67 68 69 70 71 Ce Pr Nd Pm Sm| Eu Gd Tb| Dy Ho Er Tm Yb Lu 92 93 94 95 97 98 99 Cf Es 100 Th Pa U Np| Pu Am Cm Bk Fm Md No Lr а. Which has the largest atomic radius? b. Which has the most negative electron affinity? C. Place the elements in order of increasing ionization energy.

Which of the following is written in the correct order of increasing ionization energy?A. K < Na < P < F < NeB. Ne < F < P < Na < KC. Na < K < P < Ne < FD. F < Ne < P < Na < K