a) Why is the Li+ radius so much smaller than the radius of the neutral Li...
a) Why is the Li+ radius so much smaller than the radius of the neutral Li atom?
b) Why is the F- radius so much larger than the neutral F atom?
b) Which transition involves the emission of less energy in the H atom, an electron moving from n=4 to n=3 or an electron moving from n=3 to n=2?
Homework Answers
Add Answer to:
a) Why is the Li+ radius so much smaller than the radius of the
neutral Li...
answer a b or c Why is the atomic radius of magnesium ion much smaller than...
answer a b or c
Why is the atomic radius of magnesium ion much smaller than that of a neutral charged magnesium atom? (See the atomic radius graph) The magnesium ion's electrons require less space. No electrons are lost, they move to unoccupied spaces about the nucleus. The magnesium ion has fewer principle quantum energy levels, this causes a decrease in atomic radius. The magnesium ion has a higher Z-effective nuclear charge. The magnesium ion has more principle quantum energy...
D Question 10 Why is Bra smaller atom than As? Br is actually larger than As...
D Question 10 Why is Bra smaller atom than As? Br is actually larger than As because it has more protons. As is larger because it has more protons and electrons. Br has more protons to pull the electrons in closer. Br is smaller because it has less protons and electrons making it smaller. Br is actually larger than As because it has a larger atomic mass. Question 11 Explain why metals have lower ionization energy than nonmetals. No answer...
7.23 Explain why the atomic radius of Be is smaller than that of Li.
7.23 Explain why the atomic radius of Be is smaller than that of Li.
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true?...
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...
Answer d a. (4 points) Write the Hamiltonian for the neutral Li atom, explicitly including each...
Answer d
a. (4 points) Write the Hamiltonian for the neutral Li atom, explicitly including each kinetic and potential energy term. b. (4 points) For a one-electron atom, the 2s and 2p orbitals are degenerate. Why does one electron in Li occupy the 2s orbital instead of 2p? How does that relate to the expectation values for the radii of 2s and 2p you computed earlier on this homework? c. (4 points) Li has an ionization energy of 5.39 eV....
COnsider the following elements; Li Al Mg I S N a) Most Metallic? b) Least Metallic?...
COnsider the following elements; Li Al Mg I S N a) Most Metallic? b) Least Metallic? C) Lowest Electronegativity? d) Highest ionization energy? e) Largest atomic radius? f) Which are non-metals? g) Which are conductors? h) Highest electron affinity? I) List them in order from small atomic to large size. J) Would gain two electrons to form ion? K) Would iodide ion considered to be cations or anions? L) Would lithium ion be larger or smaller than lithium atom? M)...
1: Choose the correct statements from the following concerning andCNS using K-TYPE answer format: Mark A.B.C...
1: Choose the correct statements from the following concerning andCNS using K-TYPE answer format: Mark A.B.C are correct; b if A, C: c if B, D; d if D only: e otherwise. A: The distance between the atoms is greater in CN3- than in CN5- B: CNS- would be casier to break (would require less energy to break) than CN3- C: CNS- is held together by a triple bond. D: CN3- is held together by a double bond. 2: K-TYPE...
(b) Why is the magnitude of this value so much larger than the heat of vaporization...
(b) Why is the magnitude of this value so much larger than the heat of vaporization of water (AH°vap = 41 kJ/mol)? * Choose one: A. Less energy is needed to form attractive forces between water molecules than to break H-H and O-O bonds and form H-O bonds. O B. More energy is needed to form attractive forces between water molecules than to break H-Hand O-O bonds and form H-O bonds. o C. Less energy is needed to break attractive...
Help with part F nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows...
Help with part F
nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows the first five energy levels for an imaginary atom. A. What is the frequency of a photon that would excite the atom from the n=1 to n=4 state? n=3 E =-2.37eV n-2 Ex=-5.33eV E --21.3eV B. Now suppose that a stream of photons with the frequency you determined in part A collide with a collection of the imaginary atoms mentioned above. After an atom...
Explain why the mitochondrial genome is so much smaller than the chloroplast genome.
Explain why the mitochondrial genome is so much smaller than the chloroplast genome.
answer a b or c
Why is the atomic radius of magnesium ion much smaller than that of a neutral charged magnesium atom? (See the atomic radius graph) The magnesium ion's electrons require less space. No electrons are lost, they move to unoccupied spaces about the nucleus. The magnesium ion has fewer principle quantum energy levels, this causes a decrease in atomic radius. The magnesium ion has a higher Z-effective nuclear charge. The magnesium ion has more principle quantum energy...
D Question 10 Why is Bra smaller atom than As? Br is actually larger than As because it has more protons. As is larger because it has more protons and electrons. Br has more protons to pull the electrons in closer. Br is smaller because it has less protons and electrons making it smaller. Br is actually larger than As because it has a larger atomic mass. Question 11 Explain why metals have lower ionization energy than nonmetals. No answer...
7.23 Explain why the atomic radius of Be is smaller than that of Li.
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...
Answer d
a. (4 points) Write the Hamiltonian for the neutral Li atom, explicitly including each kinetic and potential energy term. b. (4 points) For a one-electron atom, the 2s and 2p orbitals are degenerate. Why does one electron in Li occupy the 2s orbital instead of 2p? How does that relate to the expectation values for the radii of 2s and 2p you computed earlier on this homework? c. (4 points) Li has an ionization energy of 5.39 eV....
1: Choose the correct statements from the following concerning andCNS using K-TYPE answer format: Mark A.B.C are correct; b if A, C: c if B, D; d if D only: e otherwise. A: The distance between the atoms is greater in CN3- than in CN5- B: CNS- would be casier to break (would require less energy to break) than CN3- C: CNS- is held together by a triple bond. D: CN3- is held together by a double bond. 2: K-TYPE...
(b) Why is the magnitude of this value so much larger than the heat of vaporization of water (AH°vap = 41 kJ/mol)? * Choose one: A. Less energy is needed to form attractive forces between water molecules than to break H-H and O-O bonds and form H-O bonds. O B. More energy is needed to form attractive forces between water molecules than to break H-Hand O-O bonds and form H-O bonds. o C. Less energy is needed to break attractive...
Help with part F
nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows the first five energy levels for an imaginary atom. A. What is the frequency of a photon that would excite the atom from the n=1 to n=4 state? n=3 E =-2.37eV n-2 Ex=-5.33eV E --21.3eV B. Now suppose that a stream of photons with the frequency you determined in part A collide with a collection of the imaginary atoms mentioned above. After an atom...
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