Correct Answer: Option A

Explanation

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and

thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.

• You are staying with your uncle in a faraway city where you attend school. Write a letter to your parents... Answer this

  0 Answers   ·   English Language   ·   3 minutes ago
• in essay writing are you going to write the the recipient address or just your own address only? Answer this

  1 Answers   ·   Art   ·   3 hours ago
• panic? Answer this

  1 Answers   ·   English Language   ·   1 day ago