atomic weight, ratio of the average mass of a chemical element's atoms to some standard. Since 1961 the standard unit of atomic mass has been one-twelfth the mass of an atom of the isotope carbon-12.An isotope is one of two or more species of atoms of the same chemical element that have different atomic mass numbers (protons + neutrons).The atomic weight of helium is 4.002602, the average

Board foot insulation is a measurement of how much volume spray foam insulation can cover. A board foot is a volume of 1 ft × 1 ft × 1 in, so estimate the volume you need to fill before buying your spray foam insulation by finding the square footage of the space. A board foot is also a common unit of measure for lumber in the USA and Canada.

The "default unit of measure" should be the units in which you usually purchase or stock an item. Setting up a consistent style for your units of measure is a good habit. It will make your software and reports look clean and clear, and make many of your lists easier to read. No matter what units you use, or how you apply them, you must A number of units were used to measure length. One pied (1 fuss) was equal to 0.30 m, according to the fixed value defined during the transition to the metric system. [1] [4] Some other units and their fixed values are given below: 1 ligne = 1/144 pied. 1 linie = 1/144 pied. 1 pouce = 1/12 pied. 1 zoll = 1/12 pied. 1 aune = 2 pied (or 4 pied [3] ) Angstrom (Å), unit of length, equal to 10−10 metre, or 0.1 nanometre. It is used chiefly in measuring wavelengths of light. (Visible light stretches from 4000 to 7000 Å.) It is named for the 19th-century Swedish physicist Anders Jonas Ångström. The angstrom is also used to measure such quantities 651 mL. 1⁄6 US gallon, rounded up from 21.3 US fl oz Also called a "bomber" or a "double deuce" (from the two #2s, or "deuces", in its volume). Mostly replaced by the 40 US fl oz bottle by the late 1980s, but still used by some breweries for beer and malt liquor. Metric measure containers are rounded down to 650 mL. . 361 86 484 489 321 190 190 54

what is cl unit of measure