Question

• Explain Octave's Law. What were it's limitations?

• Does the modern periodic table still undergoes change ? If yes, what was the last element added ?

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Answer 1

Answer:

The major limitations of Newlands' law of octaves are- It was applicable to only lighter elements having atomic masses upto 40u, i.e., upto calcium. After calcium, the first and the eighth element did not have similar properties.

element 116, now known as flerovium and livermorium, were the last to join the periodic table, back in 2011.

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