13) Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s°3d7. A) cobalt (I) ion and 25 electrons B) cobalt (III) ion and 25 electrons C) cobalt (II) ion and 25 electrons 14) What is the electron configuration of a copper atom? A) [Ar]4s13d10 B) [Ar]4s03d11 C) [Ar]4s?3d9

Question 57 of 65 Submit Write the complete ground-state electron configuration of Ti4+. For multi-digit superscripts or coefficients, use each number in succession. I

5/10 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 ril

stion Write down the condensed electron configuration of the following ions. a) Fe* b) Zn c) Ga* d) Cu3*