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.
Helium's atomic number is 2 and its atomic weight is 4.002602. Its boiling and melting pointsâ -452.1Â°F and -458.0Â°F, respectivelyâare the lowest among the elements. It is the second most abundant element in the known universe (after hydrogen). And it makes your voice sound really funny when you inhale it. Here's why.