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Compounds are substances that composed of two or more elements that are chemically combined. Elements are substances that cannot be broken down into simpler substances by chemical means. Suitable for middle school to high school students and teachers. Organoboron compounds contain at least one carbonto boron bond and can be classifiedas boranes, borohydrides which may or may not contain a carbonto boron bond, borinic acids, borinic esters, boronic acids, boronic boronateesters,boronamides,borylanions,andborateanions,amongothers figure2. Using reasons from chemistry, describe the effect on the environment of one of the following. Recall that a mass number, z atomic number, and ions have charge. Determination of oxidation number or valence number.
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