Which of the following species are isoelectronic with Kr? (Select all that apply.)
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- Question 20 What is the ground state electron configuration of the Mn2+ ion? Group of answer choices [Ar] 4s2 3d5 [Ar] 4s2 3d3 [Ar] 3d5 [Ar] 4s1 3d4arrow_forwardQuestion 1 Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br.arrow_forwardAnswer all parts (A & B) a) Write out the full electron configuration without shorthand noble gas configuration for the following atoms (if the atom is an ion, the charge is shown). i) V ii) Ca2+ b) Which of the following is a complete set of quantum numbers for a valence electron of O? Shown in n, l, m1, ms order. Circle more than one set if there is more than one correct answer. 1, 0, 0, ½ 2, 2, 0, ½ 2, 1, 0, ½ 2, 1, 1, ½ 1, 2, 0, - ½ 2, 0, 0, - ½arrow_forward
- The electron configuration for sulfur is: Group of answer choices A. 1s22s22p63d6 B. 1s22s22p63s23p2 C. None of the other answers is correct. D. 1s22s22p63p6 E. 1s22s22p63s23p4arrow_forwardSelect the correct condensed electron configuration of a ground-state atom of manganese (Z =25). 1st attempt See Hint See Periodic Table Choose one:[Kr]3d54s2[Ar]3d7[Ar]3d5 4s2[Kr]3d7[Kr]3d5[Ar]3d5[Ar]3d74s2[Kr]3d74s2arrow_forwardQUESTION 10 How many unpaired electrons does Sc have? Key Concept: Hund's rule: The lowest energy of electrons in a subshell is obtained when electrons go into separate orbitals of the subshell with the same spin. A 3 B 4 C 1 D 2arrow_forward
- Please answer the following study question: What is the electron configuration for a vanadium ion with a +3 charge?arrow_forwardWhich of the following contains sets of atoms or ions that are isoelectronic? Answer(s): ________________ a. B+3 , C+4, H+, He b. Na+, Ne, N+3, O-2 c. Mg+2, F-, Na+, O-2 d. Ne, Ar, Xe, Kr e. O-2, S-2, Se-2, Te-2 f. None of the choices.arrow_forward1. How many f orbitals can have the value n=3? Answer 2. How many electrons in an atom can have the following designations? n=5 and ml=2? Answer W3. hat is the short hand electron configurations for Bi? When writing your answer do not put in any spaces ex: [He]2s22p1.arrow_forward
- Physical Chemistry (Quantum Mechanics) Question Calculate the average kinetic and potential energies of a 2s electron in a hydrogenic atom of atomic number Z.arrow_forwardWhich of the elements given will have a big jump in the 2nd ionization energy? Na P S H Please answer in computer to make it readablearrow_forwardPlease I want answer for this question by typing. Many Thanks Atomic size is one of the most important periodic property of elements in the periodic table. Prepare a report on the effect of atomic size on ionization energy, electron affinity, electronegativity and metallic character of elements. (Word Limit 200)arrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning