IIT-JEE 1989 | Periodic Table & Periodicity Question 21 | Chemistry

IIT-JEE 1989

MCQ (Single Correct Answer)

-0.25

Which one of the following is the smallest in size?

N^3-

O^2-

F^-

Na⁺

IIT-JEE 1988

MCQ (Single Correct Answer)

-0.25

The first ionisation potential of Na, Mg, Al and Si are in the order

Na < Mg > Al < Si

Na > Mg > Al > Si

Na < Mg < Al < Si

Na > Mg > Al < Si

IIT-JEE 1987

MCQ (Single Correct Answer)

-0.25

The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by

14.6, 13.6

13.6, 14.6

13.6, 13.6

14.6, 14.6

IIT-JEE 1987

MCQ (Single Correct Answer)

-0.25

Atomic radii of fluorine and neon in Angstrom units are respectively given by

0.72, 1.60

1.60, 1.60

0.72, 0.72

None of these values

Unlock Your JEE Advanced Success

Chapter-wise, Topic-wise, Paper-wise Previous Year Questions

Full Mock Tests

Personalized Mock Tests

Very Detailed Test Analysis

Save Important Questions

Set and Achieve Daily Goals

Plans start at ₹25 per month, and no payment information is required to try our trial.

Questions Asked from Periodic Table & Periodicity (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced Subjects