Question

Compounds can be broken down into their component _______. Chemist represent compounds using ______ based on the symbol of _____ in periodic table. The proportion of elements in a compound is ____. The properties ot a compound are _____ from the properties of its component element.

Answer 1

Explanation:

Pure samples of isolated elements are uncommon in nature. While the 98 naturally occurring elements have all been identified in mineral samples from the Earth’s crust, only a small minority of them can be found as recognizable, relatively pure minerals. Among the more common of such “native elements” are copper, silver, gold, and sulfur. Carbon is also commonly found in the form of coal, graphite, and diamonds. The noble gases (e.g., neon) and noble metals (e.g., mercury) can also be found in their pure, non-bonded forms in nature. Still, most of these elements are found in mixtures