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Interpretation:
The copper atoms are slightly larger than iron atoms; the reason has to be explained.
Concept Introduction:
Atomic radius: The concept explain chemical element is a measured of the size of its atoms, in other words to measure the distance from the center of the nucleus to the boundary of the surrounding cloud of number of electrons.
Electronic configuration: The electronic configuration is the distribution of electrons of an given molecule or respective atoms in atomic or molecular orbitals.
The aufbau principle: This rule statues that ground state of an atom or ions electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. Once the 1s shell is filled only then 2s subshell is occupied.
Hund's Rule: The every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.
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Chapter 7 Solutions
Chemistry & Chemical Reactivity
- If potassium chlorate has the formula KClO3, what formula would you expect for lithium bromate?arrow_forwardWhat neutral atoms are isoelectronic with the following ions? (a) Pb4+ (b) Br (c) S2 (d) Ni3+arrow_forwardClassify each of the following as a metal, a nonmetal, or a metalloid: a. Mn b. I c. Te d. Sb e. Oarrow_forward
- Classify the following as metals, nonmetals, or metalloids: a.argon b.element 3 c.Ge d.boron e.Pmarrow_forwardWhich of these isoelectronic ions, Ba2+, Cs+, or La3+, is (a) the largest? (b) the smallest? Explain your reasoning.arrow_forwardArrange the following groups of atoms in order of increasing size. a. Rb, Na, Be b. Sr, Se, Ne c. Fe, P, Oarrow_forward
- Group A: Na, Mg, Al, Si, and P Group B: He, Ne, Ar, Kr, and Xe Which statement is TRUE? The members of B are decreasing in size. O All the members of A are isoelectronic. O The members of B have larger radii than those of A, respectively. That is He > Na, Ne > Mg, etc. The members of A have larger radii than those of B, respectively. O The members of A are decreasing in size.arrow_forwardWhich element would have properties similar to calcium? Potassium Scandium Barium Zirconiumarrow_forwardThe ionic radii of K+, Cl−, and S2− are 138, 181, and 184 pm, respectively. Which of the following statements best describes why these isoelectronic species have different radii? Select one: a. The radii of Cl− and S2− are sufficiently close that there is no suitable explanation to explain the variances in ionic radii. b. The effective nuclear charge of the ions determines the size of the radii. c. Alkali metals always have smaller radii that p-block elements. d. There is no explanation to explain why these species have different radii.arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
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