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Three elements have the electron configurations 1s22s22p°3s23p°, 1s22s22p°3s2, and 1s2s22p63s23p°4s'. The first ionization energies of these...
Q2: b) Three elements have the electron configurations: 1s' 2s2 2p 3s 3p 1s2 2s2 2p6...
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.
2. (20 points) Answer the following questions based on the given ground state electron configurations Ne]3S23p,...
2. (20 points) Answer the following questions based on the given ground state electron configurations Ne]3S23p, [Ne]3S2?3p*, [Ne]3S?3p* a) Identify the above elements b) Arrange the element in order of decreasing atomic radius. Explain your reasoning in complete sentences c) Arrange the elements in order of increasing first ionization energy. Explain your reasoning in complete sentences. (Hint: be careful with the exceptions) d) In one of the element, there is a huge jump between the third ionization energy and the...
20. An atom of which of the following elements has the smallest ionization energy? A. CI...
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
2. (40 pts) Provide short answers for the following questions. 1) List ionic compounds KBr, CaO,...
2. (40 pts) Provide short answers for the following questions. 1) List ionic compounds KBr, CaO, KCl, and Sro: in order of increasing magnitude of lattice energy: in order of decreasing melting point: 2) The first four ionization energies for the elements X and Y are shown in a table below. Predict the elements X and Y. There may be more than one correct answer, so explain completely. The units are not kJ/mol. IE 170 200 IE2 350 400 IE:...
Part I: Periodic Trends of the Elements Using only the Periodic Table, make predictions about properties such as at...
Part I: Periodic Trends of the Elements Using only the Periodic Table, make predictions about properties such as atomic size and to determine electron configurations for atoms and fons. For this section, consider these six elements: OF P Ar K Mg Description Circle ALL that apply, or "None of these" Support your answers. 1. Its atomic radius is larger than a sulfur atom. OF Mg P Ar K None of these 2. Its most stable ion: (a) has the same...
Problem Set 4 Atomic Structure and the Periodic Table Name: Date: Lab Section: General Instructions Complete the f...
Problem Set 4 Atomic Structure and the Periodic Table Name: Date: Lab Section: General Instructions Complete the following problems. Attach another sheet to give yourself space for problems 8,9,10 as needed. Assignment is due at the end of the lab period unless stated otherwise by instructor. 1.) Energy Levels and Sublevels for the Polyelectronic Atom (a) How many sublevels exist in the energy level (n = 5)? (b) How many orbitals exist in any f-sublevel? (c) What is the maximum...
I got A,B,C and E right but need help with D,F, and G. Give the electron...
I got A,B,C and E right but need help with D,F, and G.
Give the electron configuration of Br Use the buttons at the top of the tool to add orbitals. Click within the orbital to add electrons. 1s 2s 4p 2p 40 5s 5p 5d 5f 6s 6p 6d 7s 4p 4s 3p 3s 2p 2s t 1s Ar4 34°4p° Submit Previous Answers Correct Part B Give the electron configuration of Cl. Use the buttons at the top of...
5. The F e, Na and Mg2 hve the same number of le Electron . Which...
5. The F e, Na and Mg2 hve the same number of le Electron . Which of the following Matements about the top of a given element is correct The atom Nave the same number of protons but Tering number of rond b. The storms have the same number of neutron but rering number of electron C. The have the n umber of electrons but differing number of protons d. The Mons have the same number of neutrons but differing...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What is the most likely formula for the stable ion of X? Ох* Ох Ox+ Question 24 (8 points) What is the process to determine the theoretical yield of solid produced when 25.00 mL of 1.00 M silver nitrate and 25.00 mL of 0.100 M calcium chloride are combined? The molar mass of silver chloride is 143.32 g.mol-1 2AgNO3(aq) +CaCl2(aq) -- 2AgCl(s) + Ca(NO3)2(aq) 1.00...
Explain the answer please. ) 1 on electronegativity differences, which of the following is most likely...
Explain the answer please.
) 1 on electronegativity differences, which of the following is most likely to be ionie? BaF2 b) Bra c) PH d) NO e CL 6. How many electrons can be contained in all of the orbitals with n-4? c) 10 d) 18 32 Which of the following molecules has no dipole moment? mause it is a Hencar wno 7. NH c) H20 d) all e) none 8. How many electrons can be described by the quantum...
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.
2. (20 points) Answer the following questions based on the given ground state electron configurations Ne]3S23p, [Ne]3S2?3p*, [Ne]3S?3p* a) Identify the above elements b) Arrange the element in order of decreasing atomic radius. Explain your reasoning in complete sentences c) Arrange the elements in order of increasing first ionization energy. Explain your reasoning in complete sentences. (Hint: be careful with the exceptions) d) In one of the element, there is a huge jump between the third ionization energy and the...
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
2. (40 pts) Provide short answers for the following questions. 1) List ionic compounds KBr, CaO, KCl, and Sro: in order of increasing magnitude of lattice energy: in order of decreasing melting point: 2) The first four ionization energies for the elements X and Y are shown in a table below. Predict the elements X and Y. There may be more than one correct answer, so explain completely. The units are not kJ/mol. IE 170 200 IE2 350 400 IE:...
Part I: Periodic Trends of the Elements Using only the Periodic Table, make predictions about properties such as atomic size and to determine electron configurations for atoms and fons. For this section, consider these six elements: OF P Ar K Mg Description Circle ALL that apply, or "None of these" Support your answers. 1. Its atomic radius is larger than a sulfur atom. OF Mg P Ar K None of these 2. Its most stable ion: (a) has the same...
Problem Set 4 Atomic Structure and the Periodic Table Name: Date: Lab Section: General Instructions Complete the following problems. Attach another sheet to give yourself space for problems 8,9,10 as needed. Assignment is due at the end of the lab period unless stated otherwise by instructor. 1.) Energy Levels and Sublevels for the Polyelectronic Atom (a) How many sublevels exist in the energy level (n = 5)? (b) How many orbitals exist in any f-sublevel? (c) What is the maximum...
I got A,B,C and E right but need help with D,F, and G.
Give the electron configuration of Br Use the buttons at the top of the tool to add orbitals. Click within the orbital to add electrons. 1s 2s 4p 2p 40 5s 5p 5d 5f 6s 6p 6d 7s 4p 4s 3p 3s 2p 2s t 1s Ar4 34°4p° Submit Previous Answers Correct Part B Give the electron configuration of Cl. Use the buttons at the top of...
5. The F e, Na and Mg2 hve the same number of le Electron . Which of the following Matements about the top of a given element is correct The atom Nave the same number of protons but Tering number of rond b. The storms have the same number of neutron but rering number of electron C. The have the n umber of electrons but differing number of protons d. The Mons have the same number of neutrons but differing...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What is the most likely formula for the stable ion of X? Ох* Ох Ox+ Question 24 (8 points) What is the process to determine the theoretical yield of solid produced when 25.00 mL of 1.00 M silver nitrate and 25.00 mL of 0.100 M calcium chloride are combined? The molar mass of silver chloride is 143.32 g.mol-1 2AgNO3(aq) +CaCl2(aq) -- 2AgCl(s) + Ca(NO3)2(aq) 1.00...
Explain the answer please.
) 1 on electronegativity differences, which of the following is most likely to be ionie? BaF2 b) Bra c) PH d) NO e CL 6. How many electrons can be contained in all of the orbitals with n-4? c) 10 d) 18 32 Which of the following molecules has no dipole moment? mause it is a Hencar wno 7. NH c) H20 d) all e) none 8. How many electrons can be described by the quantum...
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