Related Experiment Video
Updated: May 5, 2026
12:04
Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments
Published on: April 24, 2014
17.3K
Response to Comment on "Observation of alkaline earth complexes M(CO)8 (M = Ca, Sr, or Ba) that mimic transition
Lili Zhao1, Sudip Pan1,2, Mingfei Zhou3
1Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China.
Science (New York, N.Y.)
|August 10, 2019
Abstract:
Landis et al claim in their comment that Ca does not bind like a transition metal in Ca(CO)8 We reject their statement, which is based on a misconception of bonding models and misleading application and interpretation of quantum chemical methods for analyzing chemical bonds.
Related Concept Videos
03:46Qualitative Analysis
22.0K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
For instance, group IV...
22.0K
01:29Imperfections in Crystal Structure: Non-Stoichiometric Defects
117
Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...
117