Question

Oue, 34: Which of the following has an atomicity of 4?

Answer 1

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• Atomicity is defined as the total number of atoms present in a molecule. For example, each molecule of oxygen (O2) is composed of two oxygen atoms. So atomicity of oxygen is 2.[1]In older contexts, the term atomicity is sometimes used in the same sense as valency.On the basis of atomicity, molecules can be classified as:Monatomic – composed of 1 atom e.g. He, Ne, Ar (all noble gases are monatomic)Diatomic – composed of 2 atoms e.g. H2 , N2 , O2Triatomic – composed of 3 atoms e.g. O3Polyatomic – composed of 3 or more atoms e.g. P4 , S8All metals and some other elements, such as carbon, do not have a simple structure but consist of a very large and indefinite number of atoms bonded together. Their atomicity cannot be determined and is usually considered as...