6. 7. Predict the electron configurations that represent elements which would have similar chemical properties. (1) 1s²2s²2p4 A. (I) and (II) B. (I) and (III) C. (II) and (III) D. (II) and (IV) (II) 1s²2s²2p5 (III) [Ar]4s²3d5 (IV) [Ar]3d¹04s²4p5 When moving from left to right of the periodic table, generally the character of elements change from Give the correct answer. A. atoms to ions. B. non-metal to metalloid and metal. C. metal to metalloid and non-metal. D. non-conductor to semiconductor and conductor.

6. 7. Predict the electron configurations that represent elements which would have similar chemical properties. (1) 1s²2s²2p4 A. (I) and (II) B. (I) and (III) C. (II) and (III) D. (II) and (IV) (II) 1s²2s²2p5 (III) [Ar]4s²3d5 (IV) [Ar]3d¹04s²4p5 When moving from left to right of the periodic table, generally the character of elements change from Give the correct answer. A. atoms to ions. B. non-metal to metalloid and metal. C. metal to metalloid and non-metal. D. non-conductor to semiconductor and conductor.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter7: Atomic Structure And Periodicity

Section: Chapter Questions

Problem 113E: The first ionization energies of As and Se are 0.947 and 0.941 MJ/mol, respectively. Rationalize...

See similar textbooks

Similar questions

What is the electronic configuration of element with atomic no. 24 and 30?
7.24 The electron configuration of B is 1s22s2 , 2p1. (a) Ifeach core electron (i.e., the 1s electrons) were totallyeffective in shielding the valence electrons (i.e., the2s and 2p electrons) from the nucleus and the valenceelectrons did not shield one another, what would be theshielding constant (σ) and the effective nuclear charge(Zeff) for the 2s and 2p electrons? (b) In reality, theshielding constants for the 2s and 2p electrons in B areslightly different. They are 2.42 and 2.58, respectively.Calculate Zeff for these electrons, and explain thedifferences from the values you determined in part (a).
Consider the representations of the p and d atomic orbitals in Figs. 2-15 and 2- 17. What do the + and signs indicate?
The first ionization energies of As and Se are 0.947 and 0.941 MJ/mol, respectively. Rationalize these values in terms of electron configurations.
The nucleus of 6Li is a powerful absorber of neutrons. Itexists in the naturally occurring metal to the extent of7.5%. In the era of nuclear deterrence, large quantitiesof lithium were processed to remove 6Li for use in hydrogenbomb production. The lithium metal remaining afterremoval of 6Li was sold on the market. (a) What are thecompositions of the nuclei of 6Li and 7Li? (b) The atomicmasses of 6Li and 7Li are 6.015122 and 7.016004 amu, respectively.A sample of lithium depleted in the lighter isotopewas found on analysis to contain 1.442% 6Li. What isthe average atomic weight of this sample of the metal?
Detailed calculations show that the value of Zeff for the outermost electrons in Si and Cl atoms is 4.29+and 6.12+, respectively. Predict Zeff for a valence electron in P, phosphorus, based on Slater's rule calculations for Si and Cl.
Which atom has the largest second ionization energy? Li, N, F or Be????
Silver and rubidium both form +1 ions, but silver is far lessreactive. Suggest an explanation, taking into account theground-state electron configurations of these elements andtheir atomic radii.
For the H atom, the transition from the 2p state to the 1sstate is accompanied by the emission of a photon with anenergy of 16.2 × 10-19 J. For an Fe atom, the same transition (2p to 1s) is accompanied by the emission of X-raysof 0.193-nm wavelengths. What is the energy differencebetween these states in iron? Comment on the reason forthe variation (if any) in the 2p-1s energy-level spacing forthese two atoms.
What is the full electron configuration (by filling order, spdf notation) of potassium nitrate, charcoal, and dextrin?
(a) If the core electrons were totally effective at screeningthe valence electrons and the valence electrons providedno screening for each other, what would be the effectivenuclear charge acting on the 3s and 3p valence electronsin P? (b) Repeat these calculations using Slater’s rules. (c)Detailed calculations indicate that the effective nuclearcharge is 5.6+ for the 3s electrons and 4.9+ for the 3pelectrons. Why are the values for the 3s and 3p electronsdifferent? (d) If you remove a single electron from a P atom,which orbital will it come from?
A. A main group element with the Valentine electron consigration 4S24P5 is imperiotic croop____. It forms a monatomic ion with a charge of ____. B. A manger element with the valence electron configuration 3S1 is in periodic group____. It forms a monotomic ion with a charge of____.