7. a) b) c) The ground-state electron configuration of a Crition is 15 2-2p 3s 3p...
1s 2s 2p 3s*3p 4s 3d"4p 5s4d? 17. Which ion with a +1 charge has the electron configuration 1s 2s 2p 3s 3p 3d 4s 4p? Which ion with a -2 charge has this configuration? 18. Which of the following atoms contains only three valence electrons: Li, B, N, F, Ne? 19. Circle the atoms with two unpaired electrons. (a) Mg (b) Si (c) S 20. Place the following in order of increasing atomic radius. As 0 Br A) As...
The ground state electron configuration of a mn^2+ is 1s^22s^22p^63s^23p^63d^5 me^2+ is paramagnetic with five unpaired electron. diamagnetic. paramagnetic with one unpaired electron paramagnetic with three unpaired electron paramagnetic with two unpaired electron which ground-state electron configuration is incorrect? br:[ar]3d^104s^24p^5 k: [ar] 4s^1 fe: [ar]3d^5 zn: [ar]3d^104s^2 What 2+ ion has the following ground state electron configuration? The procedure by which electrons are assigned to (or buih up into) orbitals is known as the principle. a. Aufbau b. Bohr c....
8. Which elements are represented by the following electron configurations? a. 15-2s 2p 3s 3p 3d 10 452 4p highest occupied orbitals valence electrons b. 1s 2s 2p 3s 3p 4s 3d highest occupied orbitals_ valence electrons c. [Kr] 5s 4d 0 5p? highest occupied orbitals valence electrons d. [Ne] 3s 3p highest occupied orbitals valence electrons e. [Ar]3d 4s? highest occupied orbitals valence electrons
(5 pts] Saraw orbital diagrams for atoms with the following electron configurations:15 2s 2p 3s 3p 45-30 33. Write the equations representing the following processes. In each case, be sure to indicate the physical state of the ions. [2 x 4 pts) The electron affinity of S (1) The fourth ionization energy of titanium (TI) 34 For each of the following pairs, indicate which one of the two species is larger: (3 x 1 pt) (a) N or F- (b)...
An atomic anion with a charge of -1 has the following electron configuration: 18²2s²2p®3s²3p? What is the chemical symbol for the ion? How many electrons does the ion have? X How many 2p electrons are in the ion?
(5 pts] Saraw orbital diagrams for atoms with the following electron configurations:15 2s 2p 3s 3p 45-30 33. Write the equations representing the following processes. In each case, be sure to indicate the physical state of the ions. [2 x 4 pts) The electron affinity of S (1) The fourth ionization energy of titanium (TI) 34 For each of the following pairs, indicate which one of the two species is larger: (3 x 1 pt) (a) N or F- (b)...
What is the ground-state electron configuration of the Al^3+ ion? a. 1s^2 2s^2 2p^6 3s^2 3p^4 b. 1s^2 2s^2 2p^6 3s^2 3p^1 c. 1s^2 2s^2 2p^3 d. 1s^2 2s^2 2p^1 e. 1s^2 2s^2 2p^6 Which of the following is the correct noble gas electron configuration for an ion of barium? a. [Kr]5s^2 4d^10 5p^6 6s^2 b. [Kr]5s^2 5p^6 c. [Kr]5s^2 4d^10 5p^6 6s^1 d. [Kr]5s^2 4d^10 5p^6 e. [Kr]5s^2 4d^10 5p^6 6s^2 6p^2 How many orbitals are possible when l...
Q2: b) Three elements have the electron configurations: 1s' 2s2 2p 3s 3p 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s 3p 4s. The first ionization energies of these elements (not in the same order) are: 0.419, 0.735, 1.527 MI/mol (MJ for mega Jouls). The atomic radii are 1.60 A°, 0.98 A°, 2.35 A°. Identify the three elements and match the appropriate values of ionization energy and atomic radius to each configuration Element Atomic Radius lonization Energy 1. 2. 3.
Which element has the electron configuration 1s 2s²2p@3s 3p 4s'3ds? A) V B) Cr C) Mo D) Mn E) No element has this configuration
The following ground-state electron configuration of potassium shows that for the ground state of the potassium atom the outermost electron is in a 4s state: 1s^2 2s^2 2p^6 3s^2 3p^6 4s This tells you that, compared to the 3d level for this atom, the 4s level ANSWER: has a lower energy. has approximately the same energy. has a higher energy.