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For HL, questions in section A (45 marks) consists of the core of the option, which may be common to the SL paper, and questions in section B (20 marks) are based on the extension of the option. Paper 3 (HL only: 30 raw marks contributing 20% of the course, 1 hour) consists of 4 compulsory questions based on the pre-seen case study annually ...
The IB is a nonprofit organization, [22] selling its products and services to schools in a system analogous to a franchise network. Schools buy products and services from the IB – assessments, publications, the right to use branding – and in turn schools act as distributors, reselling the products and services to families. [23]
San Clemente High School (California) San Diego High School; San José High School; Santa Margarita Catholic High School; Scotts Valley High School; Sequoia High School (Redwood City, California) Silicon Valley International School Willows Campus; Sonora High School (La Habra, California) Stockton Collegiate International Schools; Sunny Hills ...
Chemistry, Biology, Pharmacology: Also available in print. Subscription Formerly produced by Merck & Co., [99] now available from the Royal Society of Chemistry [100] Meteorological and Geoastrophysical Abstracts: Meteorology, Astrophysics, Geology: Subscription Produced by the American Meteorological Society. Available from Dialog [101] and ...
The university's standard offer for most courses is set at A*AA, [117] [118] with A*A*A for science courses, or equivalent in other examination systems, e.g. 7,6,6 or 7,7,6 in IB. Due to a high proportion of applicants receiving the highest school grades, an interview process was introduced as a component of consideration for admission.
In chemistry, a reaction intermediate, or intermediate, is a molecular entity arising within the sequence of a stepwise chemical reaction. It is formed as the reaction product of an elementary step, from the reactants and/or preceding intermediates, but is consumed in a later step. It does not appear in the chemical equation for the overall ...
This replaces the secondary school education as "high school education" instead. AP exams are monitored by a North American examination board, the College Board, and can only be given under supervision of centers which are registered with the College Board, unlike GCE O/AS/A Level and IGCSE which can also be given privately. [citation needed]
In chemistry, a reactive intermediate or an intermediate is a short-lived, high-energy, highly reactive molecule. When generated in a chemical reaction, it will quickly convert into a more stable molecule. Only in exceptional cases can these compounds be isolated and stored, e.g. low temperatures, matrix isolation. When their existence is ...