Which response includes all of the species listed below that have 5 valence electrons?
O2-, N, P, C-, F-
A) N,P
B) N, P, C-
C) O2-, C-, F-
D) O2-
E) P, C-
Which response includes all of the species listed below that have 5 valence electrons? O2-, N,...
Question 1: Consider the complex ion [Mn(OH2)6] with 5 unpaired electrons. Which response includes all the following statements that are true, and no false statements? I. It is diamagnetic. II. It is a low spin complex III. The metal ion is a d ion IV. The ligands are weak field ligands V. It is octahedral (a) I, II (b) II, IV, V (c) I, IV (d) II, V (е) Ш, IV
7) Choose the statement that is TRUE. A) f electrons completely shield valence electrons from nuclear charge. B) Valence electrons partially shield one another from nuclear charge. C) Valence electrons experience the most shielding in an atom. D) According to Slater's Rules, shielding ranges from 0.3 to 1. E) Core electrons have the strongest attraction to the nucleus. F) All of the above are correct. ID: exal num Dept 8) Place the following in order from lowest to hightest metallic...
25-30
25. Which of the atoms listed below is the most electronegative? A) Li B) Cs C)P D) As E) Ge 26. The number of pi bonds in the molecule below is ?? ?? A) 2. B) 4. C) 6. D) 10. E) 15 27 Which of the following molecules have the same geometries? 28. Which of the following is a basic oxide? 29. Which of the following elements behaves chemically similarly to oxygen? 30 Lanthanide (or rare earth elements)...
Which of the following atoms is correctly listed with its number of valence electrons? Group of answer choices As has 5 Br has 6 S has 7 V has 6 Sb has 15 B has 2 Li has 3
24) Which of the following does not have eight valence electrons? A) CI- B) Xe C) Ti+4 D) Rb+ E) Sr+
10) How many valence electrons are there in an atom with an electron configuration of 1s 2s 2p 3s 3ps A) 2 B) 3 C) 5 D) 7 E) none of these 11) Consider the element with the electron configuration (Kr]5524d105p. This element is A) a halogen B) a transition metal C) an alkali metal D) an alkaline earth metal E) a noble gas 12) In which set of elements would all members be expected to have very similar chemical...
"-8 Saved Which of the following atoms has the greatest shielding for its valence electrons? Multiple Choice Ο all have the same amount of shielding all have Ο Ο Ο Ο How many total d - electrons does Mo+4 have? Write answer as a number NOT words. Numeric Response Saved Which effect explains why the atomic radius decreases left to right across a period? Multiple Choice Ο Increasing Zeff Ο Increase in inner electrons Ο Decrease in outer electrons Ο...
please explain all
18. Which choice contains a set of isoelectronic species? A. O?-and Nat B. 02- and S? C. 02- and F2 D. 02- and P3-only 19. What element is represented by the electron configuration 1s22s22p“3s 3p3? Α. Ρ '.' B. S C. Si D. As 20. How many single bonds, double bonds and lone pairs are predicted on the nitrogen atom for ONCI (Nitrogen is the central element, so the skeleton can be visualized in the order O-N-CI)?...
How many electrons in an atom can have quantum numbers n = 3 and m_s = 1/2? A. 1 B. 3 C. 5 D. 9 E. 10 Which set of quantum numbers could correspond to one of the valence electrons in Sr? A. n = 4, l = 1, m_1 = 0 B. n = 4, l = 1, m_1 = 1 C. n = 5, l = 0, m_1 = 0 D. n = 5, l = 0, m_1...
How many valence electrons does S^2 have? A. 3 B. 8 C. 15 D. 1 E. 18 52. Which of the following ground-state ions has the largest number of unpaired electrons? A. Cr^2+ B. Mn^2+ C. Ni^2+ D. Cu^+ E. Co^2+ 53. Arrange the following ions in order of increasing ionic radius: K^+, P^3-, S^2-, CI^-, increasing radius A. K^+ < CI^- < S^2- < P^3- B. CI^- < S^2- < P^3- < K^+ C. K^+ < P^3- < S^2-...