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P, Q, R are elements of Dobereiner’s triads. If the atomic mass of P is 7 and that of Q is 23, What will be the atomic mass of R?
  • a)
    39.0
  • b)
    15.0
  • c)
    40.0
  • d)
    30.0
Correct answer is option 'A'. Can you explain this answer?
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P, Q, R are elements of Dobereiner’s triads. If the atomic mass ...
According to Dobereiner's law of triads, when elements are arranged in the order of increasing atomic masses, groups of three elements having similar chemical properties are obtained. The atomic mass of the middle element of the triad is equal to the arithmetic mean of the atomic masses of the other two elements.
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P, Q, R are elements of Dobereiner’s triads. If the atomic mass ...
According to Dobereiner's law of triads, when elements are arranged in the order of increasing atomic masses, groups of three elements having similar chemical properties are obtained. The atomic mass of the middle element of the triad is equal to the arithmetic mean of the atomic masses of the other two elements.
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P, Q, R are elements of Dobereiner’s triads. If the atomic mass ...
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P, Q, R are elements of Dobereiner’s triads. If the atomic mass of P is 7 and that of Q is 23, What will be the atomic mass of R?a)39.0b)15.0c)40.0d)30.0Correct answer is option 'A'. Can you explain this answer?
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P, Q, R are elements of Dobereiner’s triads. If the atomic mass of P is 7 and that of Q is 23, What will be the atomic mass of R?a)39.0b)15.0c)40.0d)30.0Correct answer is option 'A'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about P, Q, R are elements of Dobereiner’s triads. If the atomic mass of P is 7 and that of Q is 23, What will be the atomic mass of R?a)39.0b)15.0c)40.0d)30.0Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for P, Q, R are elements of Dobereiner’s triads. If the atomic mass of P is 7 and that of Q is 23, What will be the atomic mass of R?a)39.0b)15.0c)40.0d)30.0Correct answer is option 'A'. Can you explain this answer?.
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