Chemistry · Modern periodic law and present form of the periodic table
The element placed with cerium, in the table formed by Newlands' was:
The element placed with cerium, in the table formed by Newlands' was:
- A. actinium
- B. lanthanum
- C. lawrencium
- D. zirconium
Step-by-step solution
In Newlands' law of octaves, elements were arranged in order of increasing atomic weight, and every eighth element exhibited similar properties. Cerium, a lanthanide, was placed in the same group as lanthanum due to their similar chemical properties and atomic weights.
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