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AP EAMCET2007ChemistryClassification of Elements and Periodicity in Properties

A radioactive substance ₈₈ X²²⁸ (IIA) emits 3 and 3 particles to form " Y ". To which group of long form of the periodic table does " Y " belong ?

Options

  1. AIVA
  2. BVA
  3. CVIA
  4. DVIIA

Correct answer

D. VIIA

Step-by-step solution

₈₈⁸⁸ X²²⁸ _ IIA group ⁸⁵ Y²¹⁶+3 +3

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