d and f BLOCK ELEMENTS

What honor was bestowed upon John Newlands later for his work on the Law of Octaves?

• Nobel Prize in Chemistry
• Davy Medal
• Copley Medal
• Priestley Medal

What was a major limitation of Newlands' Law of Octaves?

• It placed metals and non-metals together
• It did not account for isotopes
• It was only true for elements up to Calcium
• It predicted elements that were never found

Why was Dobereiner's Law of Triads not widely accepted initially?

• It contradicted the Law of Conservation of Mass
• It seemed to work only for a few elements and was dismissed as coincidence
• It required elements to have fractional atomic weights
• It predicted the wrong number of elements

In Newlands' Octaves, which element was the eighth element after Beryllium?

• Calcium
• Aluminum
• Sodium
• Magnesium

In Newlands' Octaves, which element was the eighth element after Lithium?

• Potassium
• Magnesium
• Sodium
• Calcium