Which of the following species are isoelectronic with Kr? (Select all that apply.)
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Chemistry
- For each of the atoms below, 1) write its ground state electron configuration, 2) draw the diagram depicting the electron occupancy in the highest-energy subshell, and 3) predict whether it is paramagnetic or diamagnetic. Example: B 1) 1s2s22p! or [He]2s²sp! 2) 2p 3) It is paramagnetic. a) Si b) Ni c) Pd (Hint: the highest-energy subshell fills like Ag)arrow_forwardGiven the following atoms: A) CI Answer the following: Largest radius [Select] Lowest first ionization energy [Select] Greatest Electronegativity [Select] 3 unpaired electrons [Select] B) P C) K D) Gearrow_forward5/10 Which of the following atoms has the largest atomic radius? A) B) C) DY E) Al As Br What is the electron configuration of Fe*? A) [Ar] 3d 4s B) [Ar] 3d' 4s2 [Ar] 3d 4s' D) E) C) [Ar] 3d [Ar] 3d° What is the total number of valence electrons in the nitronium ion, NO,"? A) B) 12 16 18 | D) 20 E) 24 Which of the following elements is assigned the highest clectronegativity value? K. A B) Ba Si C) D) Bri F) As The Which of the fellowing is an exception to the octel rilarrow_forward
- Pick out a pair of species that are isoelectronic. (a) C and N (b) Mg2+ and Ne (c) F and O+ (d) S2- and Parrow_forwardThe electron configuration of a cation M3+ is [Ar] 3d3. What is the electron configuration of the original atom M? (M is not a real chemical symbol of an element.) (A) [Ar] 4s1 3d5 (B) [Ar] 4s2 3d4 (C) [Ar] 3d6 (D) [Ar] 3d4 4p2arrow_forwardWhat is the electron configuration of the element in the 4th period of Group 5A (IUPAC Group 15), using an appropriate noble gas symbol for the core electrons? (A) [Kr] 4s2 3d10 4p5 (B) [Ar] 4s2 3d10 4p3 (C) [Ar] 4s2 4p3 (D) [Kr] 4s2 4p5arrow_forward
- What is the electron configuration of the element in the 4th period of Group 5A (IUPAC Group 15), using an appropriate noble gas symbol for the core electrons? (A) [Ar] 4s2 4p3 (B) [Ar] 4s² 3d10 4p³ (C) [Kr] 4s² 3d10 4p5 (D) [Kr] 4s² 4p5arrow_forwardsert Draw Design Layout References Mailings Review View Help X d F -1 Font 152 words = Paragraph D 1 (b) Be or Ca (c) K or Ca (d) Fr or F (e) Al or Cl (f) Sn or As (g) He or Cs (h) O or S Text Predictions: On A Styles Editing Dictate Editor Reuse Files Styles F 2. Which atom in each pair has a higher first ionization energy? (a) Cl or Ar 2 Aidan Tomlinson AT Voice 3 Focus Editor Reuse Files 88 4 1 1)arrow_forwardHow many valence electrons does tellurium (Te) have?(a) 5 (b) 6 (c) 16 (d) 52arrow_forward
- What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table? A) ns? B) ns2np2 C) ns²(n-1)f D) ns²(n-2)Parrow_forwardWhich species, has the following ground state electron configuration: 1s2 2s2 2p6 3s2 3p6 4s0 3d8 (a) Fe+ (b) Ni (c) Ni2+ (d) Cu2+arrow_forwardWhich element has the ground state electron configuration [Ar]4s²3d1°4p? A) As B) Br C) Se D) Te E) Iarrow_forward
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