Short answerEasy1 mark
4(iii)
Elements P, Q, and R are in the same period of the modern periodic table. P readily loses its one valence electron to form a stable ion. Q shares its electrons in bonding but does not form ions easily. R has high electronegativity. Answer the following questions based on the above information:
Which element is expected to have the smallest atomic radius among P, Q and R?
Topic: Periodic properties and trends
Previous-year question practice database
Answer
Exam answer
R.
Explanation
Atomic radius decreases across a period from left to right.
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