Consumer good. Consumer good, in economics, any tangible commodity produced and subsequently purchased to satisfy the current wants and perceived needs of the buyer. Consumer goods are divided into three categories: durable goods, nondurable goods, and services.
Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among all the elements. Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined.
Gaseous chemical element, symbol: He, atomic number: 2 and atomic weight 4,0026 g/mol. Helium is one of the noble gases of group O in the periodic table. Itâs the second lightest element. The main helium source in the world is a series of fields of natural gas in the United States.