Chemistry · Periodic Classification

In Newlands' law of octaves, the first element is and the last known element is .

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1helium, zirconium
2hydrogen, zirconium
3hydrogen, thorium✓
4hydrogen, lanthanum

Correct answer

hydrogen, thorium

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In Newlands' law of octaves, the first element is and the last known element is .

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In Newlands' law of octaves, the first element is ______ and the last known element is ______.

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In Newlands' law of octaves, the first element is and the last known element is .