Define temperature, boiling, Celsius, condensation.. valencies..
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Answer:
Temperature:
Temperature is the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius.
Boiling:
Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere.
Celsius:
Celsius is a scale for measuring temperature, in which water freezes at 0 degrees and boils at 100 degrees. It is represented by the symbol ° C. Highest temperatures 11° Celsius, that's 52° Fahrenheit.
Condensation:
Condensation is the process where water vapor becomes liquid. It is the reverse of evaporation, where liquid water becomes a vapor. Condensation happens one of two ways, Either the air is cooled to its dew point or it becomes so saturated with water vapor that it cannot hold any more water.
Valencies:
Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell.