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Question 4 (1 point) Consider Lit, N3-, and F. Which ratio should be the largest? (radius...
Question 16 (1 point) Which substance below has the weakest intermolecular forces? BY2, AHvap=29.2 kJ/mol A2X, AHvap= 41.2 kJ/mol C3X2, AHvap= 33.2 kJ/mol DX2, AHvap= 25.2 kJ/mol EY3, AHvap= 20.5 kJ/mol Question 3 (1 point) The spheres below represent atoms of Si, Ge,C, and Sn (not necessarily in that order). r=110 pm - 140 pm T-75 pm (a) r=120 pm (c) Which one of these spheres represents an atom of Si? sphere (c) sphere (b) sphere (a) sphere (d) KYC...
Question 32 (2 points) Which one of the following atoms has the largest radius? a) In Oь) Те c) Sb d) 1 e) Sn Question 33 (2 points) Which type of hybrid orbitals is used by the central atom in NO2? a) s b) sp3d O c) sp² d) sp? el sp Question 34 [2 points) ho
Which element is most metallic? a. Sn b. S c. Si d. F Circle the largest atom in each pair. a. C or O b. Rb or Na c. C or Al d. For Se
Question 4 (1 point) Order the following elements from smallest to largest atomic radius: C, N, F, O, B O C, N, F, B, 0 OF, O, B, C, N OF, O, N,C,B OF, C, B, O, N
4) elect Shot 2019-01-28 at 8.36.40 PM htt 99 S ve Question 8 (1 point) Two equally charged spheres of mass 1.0 g are placed 2.0 cm apart. When released, they begin to accelerate at 414 m/s2. What is the magnitude of the charge on each sphere? OA) 75 nG B) 140 nC c) 95 nC D) 120 nC esti Save id has a van EPIC
Question 3 (1 point) Which contains the largest total number of atoms? O 1 mol C2H6 O2 mol CH4 O 3 mol H2O 06 mol He All contain the same number of atoms
Question 10 (1 point) Which of the following transitions will cause the largest wavelength of light to be emitted in a hydrogen atom? 1) n=1 to n = 2 2) n = 5 to n = 1 3) n = 5 to n = 3 O O OO 4) n = 5 to n = 4 5) n = 1 to n = 5
h(t) be the radius of the circle at time t. (1 point) Let A- f(r) be the area of a circle with radius r and r Which of the following statements correctly provides a practical interpretation of the composite function f(h(t) ? Select all that apply if more than one is appropriate. | ■ A. The area of the circle which at time t has radius h(t) B. At what time t the area will be A-f(r). C. The area...
6.(14pts) (a) 6pts (1) Rank the following in order of decreasing atomic radius: S, CI, SI (ii) Rank the following in order of increasing atomic size: Co, Ti, Cr (iii) Using the definition of the affinity, A. is X-(g) --> X(g) + e choose the atom in each pair with the lowest electron affinity: (0,F). (Li,Na). (IV) Rank the following in order of increasing ionic radius: S, CI, P. (v) Rank the following in order of increasing IP, Sr, Rb,...
07 Question (1 point) d See page 593 1st attempt see Periodic Table ) See Hint A crystalline orm of palladium has a density of 1203 g/cm'if the radius of plildum atoms is 1370 pm,whatis the palladium unit atoms is 137.0 pm, what is the palladium unit cell? Choose one: O A. face-centered cubic O B. simple cubic O C. body-centered cubic O D. It cannot be determined from the information givern 07/26 07 Question (1 point) d See page...