1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNO F Ne Na Mg 3B 4B 5B 6B 7B 8B 1B 2B AI Si P S CI Ar K Ca Sc TiV 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 NdPm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa UNp Pu Am Cm Bk Cf Es Fm Md No Lr (1) What is the name of the element with a valence electron configuration of 3s'? (2) What is the name of the element with a valence electron configuration of 4s24p1? Submit Answer Try Another Version 5 item attempts remaining

1A 8A H 2A 3A 4A SA 6A 7A He Li Be BCNOFNe 1B 2B AISi P SCI Ar Na Mg 3B 4B 58 6B 7B 88 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Zr Nb Mo Tc Ru Rh Pd Rg Cd In Sn Sb Te Xe CS Ba La Hr Ta w Re Os Ir Pt Au Hg T 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 Ma No Lr (1) What is the valence electron configuration for the arsenic atom? (2) What is the valence electron configuration for the carbon atom?

1A H2A 3A 4A 5A 6A Li Be Na Mg 38 4B 5B 6B 7B K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Cs Ba La Hf Ta Fr Ra Ac Rf Ha 8B BA B C N 0 Cl Ar 1B 2B Al Si P S Ge As Se Br Kr Sn Sb Te I Xe We Os Ir Pt Au Hg Tl Pb Bi Po At Rn 7A He F Ne 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 Write the complete electron configuration for the manganese(II) ion. Using NOBLE GAS notation write the electron configuration for the cobalt(II) ion.

1A 8A H 2A 3A 4A 5A 6A 7A He Li Be CNO F Ne Na Mg 3в 4B 5B 6B 78 — 88 — 1B 2B A1 SIPS CI Ar K Ca Sc Ti V 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 Write the complete electron configuration for the zinc ion. Using NOBLE GAS notation write the electron configuration for the copper(II) ion.

1A 8A H 2A 3A 4A SA 6A 7A He CNOF Ne Li Be В B 2B ASi PS CI Ar Na Mg 3B 4B 5B 6B 7B г 68 K Ca Sc TiV Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Xe Rb Sr Y Zr ND MO Tc Ru Rh Pd Ag ca In Sn Sb Te Cs Ba La Hf Ta 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 UNp Pu Am Cm Bk Cf Es 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 chloride ion, Cl

1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NO F Ne Na Mg 38 4B 5B 6B 7B -88 - 1B 28 AI si P S CI Ar K Ca sc Ti v 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 (1) What is the element with an electron configuration of 1s²2s²2p°3s²3p°4s²3a$? (2) What is the element with an electron configuration of 1s2s²2p°3s²3p°4s?

1A 8A H 2A 3A 4A SA 6A 7A He Li Be B C NO F Ne Na Mg 38 4B 5B 68 7B r 8B - 1B 28 AI 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 Nb Mo Tc Ru Rh Pd Rg Cd In Sn Sb Te I Xe Cs Ba La Hf Ta w Re Au Hg TI Pb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Cf Es Fm Md No Lr Using only the periodic table arrange the following elements in order of increasing ionization energy: silicon, aluminum, sodium, 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. Submit Answer Retry Entire Group No more group attempts remain

1A H 2A Li Be 8A 3A 4A 5A 6A 7A He BCN OF Ne S Cl Ar 1B 2B Al Si P Cu Zn Ga Pd Ag Cd In Pt Au Hg Tl Na Mg 3B 4B 5B 6B 7B8B K Ca Sc Ti V Cr Mn Fe Co Ni Rb Sr Y Zr Nb Mo Tc Ru Rh Cs Ba La Hf Ta W Re Os Ir Fr Ra Ac Rf Ha ** Ge As Se Br Kr Sn Sb Te I Xe Pb Bi Po At Rn 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) The element with an electron configuration of 1s²2s²2p63s²3p² is in group (2) The element with an electron configuration of 1s²2s²2p63s²3p³ is in group and period and period

Li Be N. OF Ne Na Mg 3B 4B 5B 6B 7B 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 Zr Nb Mo To Ru Rh Pd Ag Cd In Sn Sb Te Xe Cs Ba La H Ta W Re Os Ir Pt Ru 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 Cr Es Fm Md No Lr (1) What is the complete ground state electron configuration for the carbon atom? 1s2s22p² (2) What is the complete ground state electron configuration for the iron atom? Submit Answer

Smallest Largest 1A H 2A neon Li Be Na Mg 38 4B 5B 6B 7B8B K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Rb Sr Y Zr Nb Mo Tc Ru Rh Cs Ba La Hf Ta W Re Os Ir _** Fr Ra Ac Rf Ha 3A 4A 5A 6A 7A He BC N O F Ne 1B 2B Al Si P S Cl Ar Ge As Se Br Kr Pd Ag Cd In Using only the periodic table arrange the following elements in order of increasing atomic radius: neon, krypton, helium, argon. argon 8A Sn Sb Te I Xe Pt Au Hg Tl Pb Bi Po At Rn 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 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: helium krypton Previous Nex