A compound, as we know it, results from the chemical union of two or more elements.
A compound, as we know it, results from the chemical union of two or more elements.
所谓的化合物是由两个或两个以上元素化合而成的。
A compound, as we know it, results from the chemical union of two or more elements.
所谓的化合物是由两个或两个以上元素化合而成的。