This application is for students studying organic chemistry, for teachers and organic chemists. There are more than 180 structural formulas. Hydrocarbons are the fundamental class of organic compounds. So it is very important to know their chemical names. Questions are divided into 6 topics. There are all major classes of hydrocarbons. The database is prepared by a PhD chemist. Begin with basic structures such as methane CH4, benzene C6H6, and isomers of octane C8H18. Then proceed to advanced subjects. Learn about benzopyrene C20H12 and cubane C8H8. The most common names (IUPAC or trivial) are provided. 183 structures of: * Alkanes. * Cycloalkanes. * Alkenes and Alkynes. * Dienes and Polyenes. * Aromatic hydrocarbons. * Polyaromatic hydrocarbons. Choose the game mode: * Spelling quizzes (easy and hard). * Multiple-choice questions (with 4 or 6 answer options). * Time game (give as many answers as you can in 1 minute). A learning tool: * Flashcards. The app is translated into 8 languages, including English, German, Spanish, and many others. So you can learn the names of the hydrocarbons in any of them. It is a perfect app for students taking organic chemistry classes, preparing for tests, exams, and even chemistry olympiads.
始祖幼龙_进入鲁利西的水元素通道,我方火焰区的小怪可以被火枪手烧到半血
wlk迷失始祖幼龙是没有人做的副本任务,所有boss都有,只要不把牧师姐夫的灭团技能bug炸掉,在旁边放牧师姐夫,等她爆炸结束了,全员就会有燃烧效果,还有第三次燃烧的伤害降低。wlk迷失始祖幼龙位置第一个坑,地方很大,是墓地旁边的墙,放牧师姐夫,到后面就会让牧师姐夫进去,三个人打,会一直打到那个后边的坑。第二个坑,站在上面看你上面的四个...
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