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Newland's Law of Octaves suggested that elements exhibited similar properties at regular intervals. However, this law failed to accommodate the discovery of:
- a)Noble gases
- b)Halogens
- c)Transition metals
- d)Lanthanides and Actinides
Correct answer is option 'A'. Can you explain this answer?
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Newlands Law of Octaves suggested that elements exhibited similar prop...
Newland's Law of Octaves arranged elements in groups of seven, resembling musical octaves. However, this law did not leave room for the discovery of noble gases, which have very different properties compared to the elements in Newland's groups.
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Newlands Law of Octaves suggested that elements exhibited similar prop...
Explanation:
Newlands Law of Octaves
- Proposed by John Newlands in 1864
- Suggested that elements exhibited similar properties at regular intervals of atomic weight, with every eighth element having similar properties
Failure to accommodate the discovery of Noble Gases
- Noble gases were discovered after the formulation of Newlands Law of Octaves
- Noble gases such as helium, neon, argon, krypton, xenon, and radon do not fit into the pattern of octaves as they have unique properties and do not exhibit similarities with the elements in the same period
Reasons for the failure
- Noble gases have a stable electronic configuration with a full outer shell, making them chemically inert
- Their properties are distinct from other elements, making it difficult to fit them into the periodic table based on Newlands' law
Conclusion
- The discovery of noble gases posed a challenge to Newlands Law of Octaves as it did not account for elements with unique properties and stable configurations
- This led to the further development and refinement of the periodic table, eventually leading to the modern periodic table based on atomic number and electronic configuration.
Newlands Law of Octaves
- Proposed by John Newlands in 1864
- Suggested that elements exhibited similar properties at regular intervals of atomic weight, with every eighth element having similar properties
Failure to accommodate the discovery of Noble Gases
- Noble gases were discovered after the formulation of Newlands Law of Octaves
- Noble gases such as helium, neon, argon, krypton, xenon, and radon do not fit into the pattern of octaves as they have unique properties and do not exhibit similarities with the elements in the same period
Reasons for the failure
- Noble gases have a stable electronic configuration with a full outer shell, making them chemically inert
- Their properties are distinct from other elements, making it difficult to fit them into the periodic table based on Newlands' law
Conclusion
- The discovery of noble gases posed a challenge to Newlands Law of Octaves as it did not account for elements with unique properties and stable configurations
- This led to the further development and refinement of the periodic table, eventually leading to the modern periodic table based on atomic number and electronic configuration.
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Newlands Law of Octaves suggested that elements exhibited similar properties at regular intervals. However, this law failed to accommodate the discovery of:a)Noble gasesb)Halogensc)Transition metalsd)Lanthanides and ActinidesCorrect answer is option 'A'. Can you explain this answer?
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