The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the following problems explore its properties. i) The atomic volume AV of an element is obtained, when its atomic weight is divided by its density. The atomic volume AV of the elements argon and krypton amount to AV(Ar) 22.56 cm /mol, and AV(Kr) 27.99 cm /mol, respectively. Use this information and report a reasoned estimate for the density of the noble gas xenon ii) A sample of the noble gas xenon effuses through a tiny hole in 296 seconds. Under identical conditions, a sample of another noble gas requires 116 seconds to effuse. Identify the nature of the other noble gas.
Electron Affinity
When an element undergoes a chemical reaction, it either gains energy or loses energy. This gain or loss of energy is due to the phenomena that occur at atomic level. During reaction, atoms either gain electrons from other atoms or lose electrons to other atoms, and in that process, energy is produced.
P-Block Elements
Elements which are present on the right side of the periodic table are called p-block elements. In addition to the noble gases, they include the families of boron, mercury, nitrogen, oxygen and fluorine. These elements have diverse real-life implementations that we regularly experience around us.
Metals and Non-metals
The periodic table is composed of metals, semi-metals and nonmetal elements. The physical and chemical properties of metals and nonmetals differ from each other. The study of metals and nonmetals will help one to understand the appropriate application of the particular element.
The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the following problems explore its properties. i) The atomic volume AV of an element is obtained, when its atomic weight is divided by its density. The atomic volume AV of the elements argon and krypton amount to AV(Ar) 22.56 cm /mol, and AV(Kr) 27.99 cm /mol, respectively. Use this information and report a reasoned estimate for the density of the noble gas xenon ii) A sample of the noble gas xenon effuses through a tiny hole in 296 seconds. Under identical conditions, a sample of another noble gas requires 116 seconds to effuse. Identify the nature of the other noble gas.
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