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Crown thioether chemistry. The silver(I) complexes of trithia-9-crown-3, trithia-12-crown-3, and hexathia-18-crown-6
The coordination chemistry of the three crown thioethers 1,4,7-trithiacyclononane (9S3), 1,5,9-trithiacyclododecane (12S3), and 1,4,7,10,13,16-hexathiacyclooctadecane (18S6) with Ag(I) has been
Determining Which Introductory Physics Topics Pre-Service Physics Teachers Have Difficulty Understanding and What Accounts for These Difficulties.
This study aims at diagnosing which subjects pre-service physics teachers have difficulty understanding in introductory physics courses and what accounts for these difficulties. A questionnaire
The Effects of a Laboratory Approaches on the Development of University Students' Science Process Skills and Conceptual Achievement
The purpose of this study was to compare the effects a laboratory based on the 7E learning cycle model with verification laboratory approach on university students’ development of science process
An Evaluative Study of Social Learning Theory Based Scientific Attitudes on Academic Success, Gender and Socio-Economical Level
Abstract In this study, the results of educational activities based on social learning theory in improving scientific attitudes among primary school students were investigated. An experimental and
N hydrogen bonds [R(2)(2)(8) in graph-set notation] link centrosymmetrically related molecules into discrete pairs.
Molecules of the title compound, C(13)H(11)N(3)O(2), adopt an E configuration about the azomethine C=N double bond to form helices with a pitch of 7.7186 (8) A.
Crown thioether chemistry: synthesis and characterisation of bis(1,4,7-trithiacyclononane)silver(I) trifluoromethanesulphonate, an octahedral homoleptic thioether complex of AgI showing unusually
1,4,7-Trithiacyclononane (9S3) reacts with soluble silver(I) salts to form [Ag(9S3)2]+, a monomeric complex that has a distorted octahedral structure and is readily oxidised to the silver(II) complex.
Crystal Structure of N-Benzlidene-N′-(2-carboxyphenyl)hydrazine
Molecules of the title compound (alternative name, benzaldehyde-2-carboxyphenylhydrazone), C14H12N2O2 adopt an E configuration about the azomethine C=N double bond. The molecule is almost planar and