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starsapphire627
02.09.2019 •
Chemistry
Can anyone me in explaining the metal excess defect in non stoichiometric defects? i fail to understand it
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Ответ:
1. Metal excess Defect due to Anionic Vacancies:
In this, negative ions may be missing from their lattice sites leaving holes in which the electrons remain entrapped to maintain the electrical neutrality.
2. Metal excess defect due to the presence of extra cations at interstitial sites:
In this case, there are extra positive ions occupying interstitial sites and the electrons in another interstitial sites to maintain electrical neutrality. The defect may be visualized as the loss of non-metal atoms which leave their electrons behind. The excess metal ions occupy interstitial positions.
Ответ:
To support her discussion it would be best for Alexus to use GRAPH B for her presentation.
Alex should use this graph for her presentation because the number of faulty products APPEARS TO DECREASE LESS on this graph.
Step-by-step explanation: