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प्रश्न
Right or wrong sentence.
The similarity between the properties of the first and eighth elements is called the octave rule.
विकल्प
Right
Wrong
MCQ
सत्य या असत्य
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उत्तर
The given sentence is right.
Explanation:
John Newlands observed that when elements are arranged by increasing atomic mass, every eighth element shows similar properties; this pattern is called the Law of Octaves (often phrased as the “octave rule”).
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