Purchase Solution

The theoretical radius ratio vs real parameters

Not what you're looking for?

Ask Custom Question

The alkaline earth oxides MgO and BaO adopt the rock salt (NaCl) structure with cell parameters a of 4.213 à... and 5.139 à.... Using 1.40 à... as the radius for the oxide ion:

a) Calculate the radius ratios r(M2+) / r(O2-) for these compounds

b) Using the radius ratio rule, indicate whether or not the value found are in agreement with the
adoption of the NaCl structure by these compounds. Justify your answer.

Purchase this Solution

Solution Summary

The solution shows how to compare the relevant crystal parameters to the theoretical radius ratio of the NaCl crystal.

Solution Preview

The solution is attached below in two files. the files are identical in content, only differ in format. The first is in MS Word ...

Purchase this Solution

Free BrainMass Quizzes
Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.