Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Atomic and lonic radii
question_answer
Which one of the following indicates the correct order of atomic size [EAMCET 1989]
A)Be > F > C > Ne
B)Be < C < F < Ne
C)Be > C > F > Ne
D)F < Ne < Be < C
Correct Answer:
C
Solution :
\[Be>C>F>Ne\]. Atomic size decreases across a period.