MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
A radioactive element P emits one α-particle and transforms to a new element Q. What will be the position of the element Q in the periodic table? (a) One group to the left of P (b) One group to the right of P (c) Two groups to the right of P (d) Two groups to the left of P
Topic: Effect of alpha decay on atomic number
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Answer
Exam answer
(d) Two groups to the left of P.
Explanation
Alpha emission reduces atomic number by 2.
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