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The Caribbean Examinations Council (CXC) is an examination board in the Caribbean. [1] [2] It was established in 1972 [3] under agreement by the participating governments in the Caribbean Community to conduct such examinations as it may think appropriate and award certificates and diplomas on the results of any such examinations so conducted.
Two separate special awards are given to the students who get the best score in the theoretical and practical examinations. Preparation for the International Chemistry Olympiad demands a high level of understanding and interest in chemistry and an outstanding ability to relate chemical subjects with one another as well as with the practical world.
The European Baccalaureate (or EB) is a bilingual educational diploma, which certifies the completion of secondary studies in a European School or Accredited European School by the Board of Governors of the intergovernmental organisation, "The European Schools". [1]
The bond lengths amount to 1.09 × 10 −10 m for a C–H bond and 1.54 × 10 −10 m for a C–C bond. The spatial arrangement of the bonds is similar to that of the four sp 3 orbitals—they are tetrahedrally arranged, with an angle of 109.47° between them. Structural formulae that represent the bonds as being at right angles to one another ...