Which species is larger in each pair? ) o^ 2 or s^ 2 ii) re^ 2+ or Fe^ 3+ iii) k K^ + Which of the following spe...
The total number of atoms represented by the formula Ca,(PO), is 3+ 2+ 2- Which species is larger in each pair? i) O or S ii) Fe or Fe iii) Cl or Cl
Predict which element in each of the following pairs has the larger ionization energy K or Br S or Te Ga or Se Ne or Sr
QUESTION 15 Consider the following electron configurations for neutral atoms: I 1s22522p6352 II - 1522522p63523p4 III-1s22s22p63523p6 Which atom would be expected to have the largest third ionization energy? atom I atom II atom lII All of these atoms would be expected to have the same third ionization energy
8) Which forrmula/name pair is incorrect? A) FeSO4 iron(II) sulfate B) Fe,(SO,),iron(III) sulfite C) Fe,(SO,),iron(II) sulfide iron(II) sulfite iron(II) sulfide D) FeSO aitin E) FeS d Jeum od vd o ) dgnibnuoudv 9) When 125.0 g of ethylene (C2H4) burns in oxygen. How many grams of CO2 are formed? 0D oHAe09 O: 1oHA bas lom lom a) 392.9 g s2g of methane 15Wb) 250.0 g occu c) 57.50 g d) 327.0 g e) 4.4 g 10) Which compound has the...
8) Arrange these ions according to ionic radius. Largest to smallest. (K+, Ca^2+, S^2-, CI-, P^3-) 10) Highest to lowest ionization energy. (K, Na, Rb, Li)
In the reaction below, which species is oxidized? 3 K S(s) + 8 H(aq) + 2NO3(aq) →6K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: O d. H o e. Ks In the reaction below, which species is oxidized? 3 K S(s) + 8 H+(aq) + 2NO3- (aq) → 6 K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: od....
For each pair of species, predict which is the stronger base? 5. Он or 1. 2. or В в NH NH (a) (b) 6. Rank the following from most stable to least stable. 2. 3. 4. Нас Н-с O H -н CH H CH,сH, сн,сн CH,CH 7. Which cation would be the most stable? А. В. C. D. What is the order of increasing contribution to the resonance hybrid? 8. CF3 ÇF3 CF3 I II III
Rank the following pairs of elements in terms of their electron affinities compared against each other. Note that larger (more positive) electron affinities refer to more exothermic electron affinities, as defined in the Tro textbook. All pairs must be correctly ranked for full credit. S vs. Al < K vs. Na < P vs. S < O vs. F. 2. Which of the following statements is false concerning the first ionization energy of magnesium? All the ionization energies listed below...
3. [4 points] Circle the species in each of the following sets of atoms/ions that has the larger radius. (a) F, Li oro (b) Cs, Li or Na (c) V, V or V5+ (d) , or O- 4. (5 points) Which of the following sets of ions are isoelectronic with each other? (a) Cl,K,S (isoelectronic/not isoelectronic) (b) Mg, Nat, CI (isoelectronic/not isoelectronic) (c) Cap, Ga, Br (isoelectronic/not isoelectronic) (d) Co, Fe, Ni? (isoelectronic/not isoelectronic) (e) Sc Ti V- (isoelectronic/not isoelectronic)...
Question 2 2 pts Which of the following is (are) a keto-enol tautomeric pair(s)? 00 сусно === CHCCH, CHỊCH 11 - CHOCH, 1 HII II 01 O III O Both I and II Both I and III