Question

5.(12 pts) Identify the group of elements that correspond to each of the following generalized electron configurations. No partial credit. You should check your work using table 7.3 of text. (a) [Noble gas] ns?np (b) [Noble gas] ns?(n-1)d? (c) [Noble gas) ns-(n-1)dlºnp! (d) [Noble gas] ns (n-2015 6.(18ps) (a) 6pts. What is the ground state electron configuration and orbital diagram of Nb(41)? Is this paramagnetic or diamagnetic? (b) 4pts. The following is an excited state configuration of a neutral atom: 1s 2s 2p 3s 4p 4'7" Identify the element and write its ground state electronic configuration Is this excited state diamagnetic or paramagnetic? Explain. c. Spts, Write the ground state electron configuration of each of the following ions: (1) Zro (40) (11) In(49) (11) Pd (46) (iv) Se? (34)

Answer 1

first identify the no of electrons and then find the electronic configuration values and the elements are as follows

5) a) ni nps - V A au 15th group o ns Childe = V B cer, Loth group C) 15 (1) apl) TJA (1) 12th group d) n (MDA - f-block 6) (ND)=41 Elections configuratofas 18 25 2po2po 48 300 upeostupy 12 th tl1112 [ L] [12] [1/12 ] 1 [ru]2 IS 25 21 35 30 45 4p Der ma 4 3) Sultur-16 ... 15252p8 353p4 - para magnetic 8) Zr 24 - [kr] 5.82 (11) n = [kr] 4do ss' (PPY Perut a [kar] ss' bas ius seen » [Ar] 30 10 48 ups an .