Question

1) The line spectrum of hydrogen includes lines at 447, 502, 587, and 668 nm. Which of these wavelengths would be associated with the greatest amount of energy? A) 447 B) 502 C) 587 D) 668 E) cannot be determined 2) What is the total number of orbitals in the shell designated by n- 42 A) 7 B) 16 C) 4 D) 3 E) none of these 3) How many electrons are there in a 3p orbital? A) 2 B) 3 C) 8 D) 10 E) 18 4) How many orbitals are in an atomic sublevel with £ - 3? A) 3 B) 5 C) 7 Dj 9 E) none of these 5) Which is an acceptable set of quantum numbers in, l, m, and m, respectively) for an electron? A) 1. 1. 0 % D) 3, 2, -3, +% B) 2, 1, 0,0 E) none of these C) 2, 1,-1,-% 6) Which of the following elements in the ground state) will have unpaired electrons? A) fluorine D) all of these B) lithium E) none of these C) carbon 7) Which set of quantum numbers would correctly correspond to an electron in a 4d orbital? A) n - 4, [-1, m: -1, ms - B) n = 4, 1-2, m --2, ms --% C) n = 4,2-3, m -3, mg=% D) n = 4, 1-3, m - -1, ms -- E) more than one of these 8) Which of the orbital diagrams violates Hund's rule? ΑΙΙ В) C) III DIV E) none of these violates Hund's rule : Which two electron configurations represent elements that would have similar chemical properties? (1) 1s 2s 2p* (IT) 1s 2s 2p (IT) [Ar]4s3d104p (IV) (Ar]4s23d 104p A) (I) and (IT) D) (II) and (IV) B) (1) and (III) E) (II) and (III) C) (I) and (IV) Which of the elements listed below has the largest atomic radius? А) В Β) ΑΙ c) s D) P E) Si

Answer 1

0 E= hv = = nC ELIZ based on obove equation & value inceses the energy decoeses. So Lowas wavelength Show greatest Energy. Ang (A) 24 7 mm. / 8 4414 502 2587 E: 6472 5027587 by this number of arbitals caleculated formula = m² where no shell number. n=4 = 4²- 16 zibilaly Ans: B 9 do-sabitat 1=1 -P" d=2-di 1:3-f i one orbital z zibitaly 5 gibitay 7 abilas I Any = c) n: 2 2 tl m=-1 mg =12 p Poly v Scanned wito CamScanne

6 flourine: 15 25 2ps one unpained a TV hy not Lithium 15²25 - one armpaired B carbon: 152 282 282 EU Fun - 2 unpaired ea » hd arbital quantum mombery M24 m = -2,-1,0,1,2 1=2 ans = 42,-1/2 Any; B mah d=2 m =-2 ms=-12 Hund sule Every orbital occupied one e in all corbitals and then paired. Any: 8-11 m [1] [] x @ 15 ²25 2p" - oxygen to both are same [A5 45 30 10 4PY Selinam J Group O atomic radions in periodic table teJ7 to oright dreses topto bottom elimiseses cs senned with B <Al>sispas Mary: B