2nd Edition

ISBN: 9781947172647

Author: OpenStax

Publisher: OpenStax College

Concept explainers

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.

Textbook Question

Chapter 4, Problem 3E

Which of the following atoms would be expected to form negative ions in binary ionic compounds and which would be expected to form positive ions: P, I, Mg, Cl, In, Cs, O, Pb, Co?

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Chapter 4, Problem 2E

Chapter 4, Problem 4E

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Chemistry Atoms First2e

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