What does radical element mean?
In chemistry, a radical is an atom, molecule, or ion that has at least one unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive.
What does radical mean simple definition?
1 : very new and different from the usual or ordinary : extreme a radical change. 2 : of or relating to people who favor rapid and sweeping changes in laws and government. Other Words from radical. radically adverb.
What is the dictionary definition of element?
element. [ ĕl′ə-mənt ] A substance that cannot be broken down into simpler substances by chemical means. An element is composed of atoms that have the same atomic number, that is, each atom has the same number of protons in its nucleus as all other atoms of that element.
What are radical ideas?
2 opinions radical ideas are very new and different, and are against what most people think or believe → conservative He has put forward some very radical ideas.
What is an example of radical?
The definition of radical is something that is at the root of something, or something that changes, addresses or affects the major essence of something. An example of radical is a basic solution to a complex problem. An example of radical is the change that allowed women to vote.
How do you explain radicals?
A radical, or root, is the mathematical opposite of an exponent, in the same sense that addition is the opposite of subtraction. The smallest radical is the square root, represented with the symbol √. The next radical is the cube root, represented by the symbol ³√.
What does element mean in engineering?
ELEMENT: (n) ONE OF ANY NUMBER OF FACTORS DETERMINING THE OUTCOME OF A PROCESS. ELEMENT works well with others.
What radicalism means?
In political science, the term radicalism is the belief that society needs to be changed, and that these changes are only possible through revolutionary means. Most people think of left-wing politics when they use the noun radicalism, although people on both ends of the spectrum can be described as radical.
What does the word radical mean in English?
C2. a person who supports great social and political change: She was a radical all her life. See also. free radical specialized. SMART Vocabulary: related words and phrases. Activism & pressure groups. activism. activist.
How are radicals produced in an ordinary molecule?
Radical. They combine with one another, or with single atoms that also carry free electrons, to give ordinary molecules, all of whose electrons are paired; or they react with intact molecules, abstracting parts of the molecules to complete their own electron pairs and generating new free radicals in the process.
Which is the best description of a free radical?
Although free radicals contain unpaired electrons, they may be electrically neutral. Because of their odd electrons, free radicals are usually highly reactive.
Which is an example of a radical chemical reaction?
A group of atoms that behaves as a unit in chemical reactions and is often not stable except as part of a molecule. The hydroxyl, ethyl, and phenyl radicals are examples. Radicals are unchanged by chemical reactions. The American Heritage® Science Dictionary Copyright © 2011.