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Questions and Answers
What did Dobereiner's law of triads state?
What did Dobereiner's law of triads state?
The atomic weight of the middle element of the triads was approximately equal to the arithmetic mean of those of the other two elements.
Give an example of Dobereiner's law of triads using lithium (Li), sodium (Na), and potassium (K).
Give an example of Dobereiner's law of triads using lithium (Li), sodium (Na), and potassium (K).
The atomic weight of Na is approximately the average of Li and K, indicating the relationship between atomic weight and properties.
What was Newland's octave law?
What was Newland's octave law?
If elements are arranged by increasing atomic weight, the eighth element from a given element has properties repeating those of the first.
Explain the concept of Newland's octave law using the example of arranging elements by increasing atomic weight.
Explain the concept of Newland's octave law using the example of arranging elements by increasing atomic weight.
How did Newland's octave law relate elements to musical scales?
How did Newland's octave law relate elements to musical scales?
What was the significance of Newland's octave law in the development of the periodic table?
What was the significance of Newland's octave law in the development of the periodic table?
What is the significance of Mendeleev's periodic law?
What is the significance of Mendeleev's periodic law?
How are the properties of Hydrogen (H) and Fluorine (F) related?
How are the properties of Hydrogen (H) and Fluorine (F) related?
Who proposed the periodic law around the same time as Mendeleev?
Who proposed the periodic law around the same time as Mendeleev?
What were some limitations of Mendeleev's original periodic table?
What were some limitations of Mendeleev's original periodic table?
How has Mendeleev's periodic table evolved over time?
How has Mendeleev's periodic table evolved over time?
What is meant by the periodicity of elements?
What is meant by the periodicity of elements?
