Chemistry, asked by abduu20zoo475, 3 months ago

state group displacement law.

Answers

Answered by djhardas82

Explanation:

Soddy, Fajans and Russell(1911-1913)observed that when an a-particle is lost, a new element with atomic number less by 2 and mass number less by 4 is formed. The element emitting then a or b-particle is called parent element and the new element formed is called daughter element.

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