Use the References to access important values if needed for this question. 1A 8A H 24 3A 4A SA 6A 7A He Li Be BCNO F Ne Na Mg 38 4B 5B 6B 78 - 8B 1B 2B A1 si PS CI Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y zrND Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La HT Ta W Re Os Ir Pt Au Hg TI Pb BI Po At Rn Fr Ra Rc Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with the sulfide ion, S2

H 2A 3A 4A 5A 6A 7A He Li Be BCNO F Ne Na Mg 3B 4B 5B 6B 7B 8 ¬ 1B 2B A1 Si PS CI Ar K Ca Sc Ti v Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr ND Mo To Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta w Re Os Ir Pt Au Hg TI Pb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Arrange the following elements in order of increasing electronegativity: cesium, lead, thallium, barium Please answer this question according to the general rules you have learned regarding periodic trends. DO NOT base your answer on tabulated values since exceptions may occur. smallest largest

1A H2A Li Be 8B 3A 4A 5A 6A 7A He B CN OF NE 1B 2B Al Si P S Cl Ar Na Mg 3B 4B 5B 6B 7B K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 8A Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn ** Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr (1) What is the element with an electron configuration of 1s²2s²2p63s²3p64s²3d7? (2) What is the element with an electron configuration of 1s²2s²2p63s¹?

1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 3B 4B 5B 6B 7B 88 - 1B 28 A1 Si P S CI Ar K Ca Ssc Ti Vv Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y zr Nb Mo Tc Ru Rh Pd Ag cd In Sn Sb Te I Xe Cs Ba La Hf Ta w Re Os Ir Pt Au Hg TI Pb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa u Np Pu Am Cm Bk Cf Es Fm Md No Lr Using only the periodic table arange the following elements in order of increasing ionization energy: bismuth, antimony, arsenic, phosphorus . Lowest Highest Please answer this question according to the general rules you have learned regarding periodic trends. DO NOT base your answer on tabulated values since exceptions may occur. Drag and drop your selection from the following list to complete the answer: phosphorus antimony bismuth arsenic Prev