A patient is given a 60.-mg dose of technetium-99m (half-life 6.0 h) to treat a brain cancer. How much of it will remain in thebody after 24 h?7.5 mg1.5 mg0.75 mg3.8 mg4.5 mg How many unpaired electrons are there in the complex ion [Co(NO3)5]¯? For this ion the nitrate ligandsproduce a very strong crystal field.O a. 5b. 1O c. 4O d. 3O e. 2

Given , Initial amount of substance = 60mg t1/2 = 6 h Total time = 24 h N ❓ In question 2 Since…

Answered: How many unpaired electrons are there…

How many unpaired electrons are there in the complex ion [CO(NO3)5]¯? For this in the nitrate ligands produce a very strong crystal field. O a. 5 O b. 1 O c. 4 d. 3 O e. 2

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

A patient is given a 60.-mg dose of technetium-99m (half-life 6.0 h) to treat a brain cancer. How much of it will remain in the
body after 24 h?
7.5 mg
1.5 mg
0.75 mg
3.8 mg
4.5 mg

How many unpaired electrons are there in the complex ion [Co(NO3)5]¯? For this ion the nitrate ligands
produce a very strong crystal field.
O a. 5
b. 1
O c. 4
O d. 3
O e. 2

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