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Chapter 23: Q29 P (page 1059)

Which of the actinides are radioactive?

Short Answer

Expert verified

All the actinides are radioactive.

Step by step solution

01

Definition of actinides

Follow the element Actinium; actinides are elements with atomic numbers ranging from 90 to 103.

02

Actinides are radioactive

All actinides are radioactive. Actinides are known to have heavy nuclei, or nuclei which are abundant in protons or neutrons. Their radioactivity stems from them decaying radioactively to gain smaller nuclei and achieve a more stable state.

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Most popular questions from this chapter

Give the electron configuration of (a) La; (b) Ce3+ (c) Es; (d) U4+.

Use the following data to determine if Cr2+(aq)can be prepared by the reaction ofwith Cr2+(aq):

Cr3+(aq)+e-Cr2+(aq)E0=-0.41VCr3+(aq)+3e-Cr(s)E0=-0.74VCr2+(aq)+2e-Cr(s)E0=-0.91V

In what order are the metal ion and ligands given in the name of a complex ion?

Chromium(III), like cobalt(III), has a coordination number of 6 in many of its complex ions. Compounds are known that have the traditional formula CrCl3_nNH3, where n= 3 to 6. Which of the compounds has an electrical conductivity in an aqueous solution similar to that of an equimolar NaCl solution?

A metal ion uses d2sp3 orbitals when forming a complex. What is its coordination number and the shape of the complex?
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