Bases typically contain an OH- ion, meaning an oxygen atom bonded to one hydrogen atom. Acids, on the other hand, contain an H+ ion. Together, acids and bases react and form water.View Video Only Save Timeline Video Quiz Course 322K views Properties of Bases A base in chemistry ...
Chemistry. a compound that reacts with an acid to form a salt, as ammonia, calcium hydroxide, or certain nitrogen-containing organic compounds. the hydroxide of a metal or of an electropositive element or group. a group or molecule that takes up or accepts protons. ...
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The meaning of BASE is the bottom of something considered as its support : foundation. How to use base in a sentence. Synonym Discussion of Base.
A base is a fundamental or essential part of something. In mathematics, a base is the number or quantity that is raised to a power or logarithm. It is also used in chemistry to describe a substance that can neutralize an acid. In military terms, a base is a place where troops are sta...
He had lived on his wits, in the lowest and basest meaning of the phrase. View in context you--a savage--a slave--the basest thing in the world of vermin! View in context It was this which taught him, that to repay the civilities and little friendships of hospitality by robbing th...
Typically substances containing the OH− ion are called "bases", in a narrower meaning only those that are water soluble. In chemistry the definition of a base has gone through an evolution. Arrheneus defined bases as the substances making OH− ions in water. Bronsted-Lowry defined bases ...
ロングマン現代英英辞典よりbase1/beɪs/●●●S1W1verb[transitive]to have yourmainplace of work, business etc in a particular placeThe paper had intended to base itself in London.be based in somethingThe new organization will be based in Dallas.→based文法In this meaning,baseis usually ei...
Exact: All stereo information is tested for equality, meaning that a non-stereo query only matches non-stereo targets Diastereomer: retrieves stereo isomers where tetrahedral stereo information is present on the same stereo centers, but their configuration (parity) is arbitrary. Off: All stereo inf...
1734, in the meaning defined at sense 1 time traveler the first known use of base was in the 14th century see more words from the same century phrases containing base air base base angle base exchange base hit base of operations base on balls base pair base path base pay base price ...