Date Range
Date Range
Date Range
Thursday, February 10, 2011. Friday, July 10, 2009. Thursday, July 9, 2009. This column is the home of the halogen family of elements. WHAT MAKES THEM SIMILAR? THEN WHAT IS A HALIDE? Transition me.
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com provides you with capsules on many topics in chemistry. View lists of compounds arranged alphabetically and by CAS number or perform a keyword search for properties of compounds. There is a list of over 700 reactions and their properties too. Find a value, constant, or equation needed to solve your problem. Read a primer on a variety of topics in chemistry.
كل ماتبحث عنه في الكيمياء تجده هنآ فحيإأكم الله. هل تريدون عمل ايميل تفضلوا هنا. هيدرو - ماء, جينيس - تشكيل. لقد حضر الهيدروجين منذ زمن طويل. الى ان جاء كافندش وجعل منه عنصرا محدد المعالم والصفات وذلك عام 1776. اما اسمه فأطلقه عليه العالم لافوازييه.