An element is a substance composed of only one type of atom. There are more than 100 known elements, all of which are arranged according to their properties on the Periodic Table of the Elements. More » Science Chemistry Atoms & Molecules

As of 2014, there are 118 elements known to science. The most recently discovered element, ununpentium, was confirmed in 2013. More »

Sugar is composed of carbon, oxygen and hydrogen. There are 12 carbon atoms, 22 hydrogen atoms and 11 oxygen atoms in one molecule of sugar, according to Exploratorium, a San Francisco museum of science, art and human pe... More » Science Chemistry Atoms & Molecules

Any substance that contains only one type of atom is referred to as an element. Elements comprise the essential components of all structures everywhere in the universe. This could be something as small as a bacteria or a... More »

A chemical element is a substance made up of one type of atom. The known chemical elements are arranged on a periodic table in order of their atomic numbers, which represent the number of protons in one atom of an elemen... More »

An element is a pure substance that consists entirely of one type of atom. An atom is the smallest amount of a particular element that can be identified as that element. More »

Calculate the molar mass of a compound by using the chemical formula of the substance and the atomic weight for each type of atom in the substance. For example, the molar mass of sodium carbonate is 106 grams per mole. More »