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danmani
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Does 1 mole of any given element,the same size as that of one mole of any other element of the same period of the modern periodic table
Avogadro's number, denoted by NA, is a fundamental constant in chemistry and physics that represents the number of particles (such as molecules or atoms) in one mole of a substance. It is approximately equal to 6.022 x 1023 particles/mol.
Avogadro's number is important because it allows scientists to easily convert between the microscopic scale (individual particles) and the macroscopic scale (moles). It also helps in determining the mass of a substance in grams based on its atomic or molecular weight.
Avogadro's number is not directly related to atomic size. However, it can be used to calculate the size of an atom based on its atomic radius. The larger the atomic radius, the fewer atoms there are in a given volume and the lower the atomic density.
Avogadro's number is dimensionless, meaning it has no units. It is simply a numerical value that represents the number of particles in one mole of a substance.
Avogadro's number was first discovered by Italian scientist Amedeo Avogadro in the early 19th century. However, it was not widely accepted until the early 20th century when scientists used it to explain the behavior of gases and other substances.