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2. AP Chemistry - Wikipedia

   en.wikipedia.org/wiki/AP_Chemistry

   The 2014 AP Chemistry exam was the first administration of a redesigned test as a result of a redesigning of the AP Chemistry course. The exam format is now different from the previous years, with 60 multiple choice questions (now with only four answer choices per question), 3 long free response questions, and 4 short free response questions.

3. Ammonium perchlorate - Wikipedia

   en.wikipedia.org/wiki/Ammonium_perchlorate

   Ammonium perchlorate ("AP") is an inorganic compound with the formula NH 4 ClO 4.It is a colorless or white solid that is soluble in water. It is a powerful oxidizer.Combined with a fuel, it can be used as a rocket propellant called ammonium perchlorate composite propellant.

4. Advanced Placement exams - Wikipedia

   en.wikipedia.org/wiki/Advanced_Placement_exams

   AP exams (with few exceptions [1]) have a multiple-choice section and a free-response section. AP Studio Art requires students to submit a portfolio for review. AP Computer Science Principles requires students to complete the Create task, which is part of the AP grade for the class. AP exams were taken by subject in 2013.

5. List of chemistry mnemonics - Wikipedia

   en.wikipedia.org/wiki/List_of_chemistry_mnemonics

   A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

6. QSI International School of Astana - Wikipedia

   en.wikipedia.org/wiki/QSI_International_School...

   A variety of AP Courses is offered, ranging from AP World History to AP Chemistry. Apart from Spanish , Russian and Kazakh languages are also offered in QSI Astana. The school, being located in Kazakhstan, is obligated to abide by Kazakhstan's Ministry of Education 's regulations. [ 6 ]

7. Formula unit - Wikipedia

   en.wikipedia.org/wiki/Formula_unit

   In chemistry, a formula unit is the smallest unit of a non-molecular substance, such as an ionic compound, covalent network solid, or metal. [1] [2] It can also refer to the chemical formula for that unit. Those structures do not consist of discrete molecules, and so for them, the term formula unit is used.

8. Remove Banner Ads with Ad-Free AOL Mail | AOL Products

   www.aol.com/products/utilities/ad-free-mail

   SYSTEM REQUIREMENTS. Mobile and desktop browsers: Works best with the latest version of Chrome, Edge, FireFox and Safari. Windows: Windows 7 and newer Mac: MacOS X and newer Note: Ad-Free AOL Mail ...

9. Vapor pressure - Wikipedia

   en.wikipedia.org/wiki/Vapor_pressure

   The International System of Units (SI) recognizes pressure as a derived unit with the dimension of force per area and designates the pascal (Pa) as its standard unit. [1] One pascal is one newton per square meter (N·m −2 or kg·m −1 ·s −2). Experimental measurement of vapor pressure is a simple procedure for common pressures between 1 ...