The general concept of a chemical reaction has been extended to reactions between entities smaller than atoms, including nuclear reactions, radioactive decays, and reactions between elementary particles as described by quantum field theory.n a synthesis reaction, two or more simple substances combine to form a more complex substance. These reactions are in the general form: Two or more reactants yielding one product is another way to identify a synthesis reaction.
For payments paid to unemployed people, see unemployment benefits. The unemployment rate is a measure of the prevalence of unemployment and it is calculated as a percentage by dividing the number of unemployed individuals by all individuals currently in the labor force. During periods of recession, an economy usually experiences a relatively high unemployment rate.
The official unemployment rate for the nation is the number of unemployed as a percentage of the labor force (the sum of the employed and unemployed). Some have argued, however, that these unemployment measures are too restricted, and that they do not adequately capture the breadth of labor market problems.he official unemployment rate for the nation is the number of unemployed as a percentage of the labor force (the sum of the employed and unemployed). Some have argued, however, that these unemployment measures are too restricted, and that they do not adequately capture the breadth of labor market problems.