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### n element with (Z=69) emits 2α and 1β particles in succession. What will be the group number of new element formed? - Group 2 - Group 13 - Group 5 - Group 3

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### n element with (Z=69) emits 2α and 1β particles in succession. What will be the group number of new element formed? - Group 2 - Group 13 - Group 5 - Group 3
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Solution 1

The atomic number (Z) of an element determines its position in the periodic table and hence its group number.

  1. The atomic number of the given element is 69.

  2. When an element emits an alpha particle, its atomic number decreases by 2. Since the element emits 2 alpha particles, the atomic number Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

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Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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