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Question 3

An atom 23892X decays by alpha particle emission to give an atom Y. The atomic number and mass number of Y are

  • A.90 and 234 respectively
  • B.91 and 238 respectively
  • C.92 and 236 respectively
  • D.93 and 238 respectively
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2006
Question no.
#3
Type
Objective
Previous · Q2An element X has isotopic masses of 6 and 7. if the relative abundance is 1 to… Next · Q4 If 1 mole of sodium contains 6 x 10 23 atoms, how many atoms are contained in…

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