Mendeleev fixed an apparent discrepancy in the order of his periodic table by reversing the placement of which two elements? a tin and antimony b cesium and barium c nickel and copper d tellurium and iodine

Q: Which property decreases as you move down a column in the periodic table?(a) atomic size(b)…

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Q: How many electrons may occupy the 4p subshell? A. 3 B. 6 C. 10 D. 14

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Q: 1. Describe and explain the changes in ionization energies across the second row of the Periodic…

A: What the changes in ionization energies across the second row of periodic table ?

Q: Place the elements in each set in order of decreasing atomic size.a. Cl, S, P                b. Ge,…

A: Decreasing order of atomic size : a.  P    >  S   >  Cl    b. Ge  >  Si     >   C…

Q: II Electron Configuration and Orbital Diagrams Directions: Write the complete electron configuration…

A: Electronic configuration is defined as the representation of the electrons around the nucleus of an…

Q: In what region of the periodic table will you find elements with relatively high IEs? With…

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A: The elements given are Sr, Zn, Cl, Be, and P.

Q: 5p 4d- 5s- 4p- 3d- 4s- 3p- 3s- 2р- 2s- 1s- Nucleus a. Draw the energy level (or an orbital) diagram…

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Q: Group of elements in which the d orbitals are being filled: lanthanide series O noble gases…

A: Group of elements in which d orbitals are being filled.

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Q: What element corresponds to the electron configuration 1s22s22p63s23p1? Draw an orbital diagram…

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Q: The element whose anion has the electronic configuration Is 2s 2p 3s 3p belongs to A s-block…

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Q: 1s²2s²2p63s²3p64s23d104p5 is the neutral electron configuration for the element in group [ Select]…

A: The correct answer is given below

Q: Refer to the periodic table and write the predicted electron configuration for each of the following…

A: Electronic configuration of Ir is given by, [Xe]4f145d76s2: [Xe]4f^14 5d^7 6s^2

Q: Identify each element below, and give the symbols of the other elements in its group:(a) [Ar]…

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Q: Based on their positions in the periodic table, predict which has the largest atomic radius: Li, Rb,…

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Q: 3. Which of the following relates to the phenomenon of electrons occupying orbitals at the same…

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Q: 52. What is the ground-state valence-shell electron configuration of the group of elements indicated…

A: Since the shaded portion of the periodic table is basically carbon group  And since we know that the…

Q: Directions: Write the 4 sets of the quantum numbers for the bold electron in the following diagrams:…

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Q: On the basis of periodic trends, choose the larger atom from each pair (if possible):

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Q: 7. Identify this element. 1s2 2s2 2p6 3s2 3p4. Identify core e- and valence e-.

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Q: 29.) Give the symbol of the element with the electron configuration 1s2 2s2 2p6 3s2 3p4

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Q: On the basis of periodic trends, choose the larger atom from each pair (if possible): Match the…

A: Given options: V Se F Ta As Te In At Not predictable.

Q: Draw the orbital diagram associated with cach ol following clectron configurations. a, Is 2s 2p b.…

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Q: Give the noble gas abbreviated electron configuration for thallium, element 81, using the orbital…

A: The atomic number of thallium (Tl) is 81. Hence, it contains 81 electrons.  The noble gas…

Q: On the basis of periodic trends, choose the larger atom in each pair (if possible). Explain your…

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Q: 1. Is there any observable pattern for ionization energy on the periodic table? What is it? 2. Is…

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Q: 23) Write the electron configuration for phosphorus. You do not need to use subscripts, put a space…

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Q: Arrange these elements in order of decreasing metallic character: Sr, N, Si, P, Ga, Al.

A: The metallic character is related with the chemical properties of metals. These chemical properties…