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Which of the following is a d-block element? (Select all that apply.)
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Chemistry
- Which quantum numbers are needed to define the shell? [Select all that apply.] n me S р darrow_forwardIonization means an electron is completely removed from an atom. Complete removal occurs when n-infinity. How much energy would be required to ionize one atom of hydrogen? asap please detail answer with all steps how to calculate answerarrow_forwardOf the following atoms, which has the largest first ionization energy a) Br O b) O O d) P e) I Previous Page Next Page Pa Submit Quiz 21 of 25 questions saved 09 PM 近arrow_forward
- Which of the following would be attracted to the positive pole of an electric field? (Select all that apply.) H+ 0²- Ca²+ O Cu²+ Te³- A1³+ ON³-arrow_forwardQuestion Place the following elements in order of increasing atomic radius. S I O a) Iarrow_forwardWhich is the correct ground-state electron configuration for a chromium atom (Cr; Z = 24)? (A) 1s2 2s2 2p6 3s2 3p6 4s2 3d4 (B) 1s2 2s2 2p6 3s2 3p6 4s1 3d5 (C) 1s2 2s2 2p6 3s2 3p6 3d6 (D) 1s2 2s2 2p6 3s2 3p6 4s2 4p4arrow_forwardPractice Exercises DepED O ETUlay Oniina fvieries Element last electron from n m, m, Paramagnetic/ the configuration Diamagnetic 20 Ca e-configurationarrow_forwarde) Arrange the following elements in order of increasing atomic radius. Al, S, Mg, Si, Na (a) Mgarrow_forwardWhich of the following statements correctly describes ionization energy? [Select all that apply.] Group of answer choices 1-The ionization energy describes the energy needed to add an electron to a neutral atom. 2-Ionation energy is always negative (i.e., exothermic) 3-The ionization energy increases for the removal of each subsequent electron. 4-Ionization energy is always postive (i.e., endothermic)arrow_forwardInfrared radiation falls in the wavelength region of 1.00 x 10 to 1.00 x 10-³ meters. What is the wavelength of infrared radiation that has an energy of 3.50 x 10-25 kJ/photon? Wavelength [ m Submit Answer Retry Entire Group remainingarrow_forwardPart A Of the following, which element has the highest first ionization energy? O Na O K O Cs O Li Submit Request Answerarrow_forward2. Which of the following represents the ground state electron configuration for the Cr3+ ion? (Atomic number Cr = 24) (A) 1s2 2s22p6 3s23p63d3(B) 1s2 2s22p6 3s23p63d5 4s1(C) 1s2 2s22p6 3s23p63d1 4s2(D) 1s2 2s22p6 3s23p63d4 4s2(E) 1s2 2s22p6 3s23p63d2 4s1arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_iosRecommended textbooks for you
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