IIT-JEE 1995 Screening | Periodic Table & Periodicity Question 11 | Chemistry

IIT-JEE 1995 Screening

MCQ (Single Correct Answer)

-0.25

Which has most stable +2 oxidation state?

IIT-JEE 1992

MCQ (Single Correct Answer)

-0.25

The statement that is not correct for the periodic classification of element is

The properties of elements are the periodic functions of their atomic numbers

Non-metallic elements are lesser in number than metallic elements

The first ionisation energies of elements along a period do not vary in a regular manner with increase in atomic number

For transition elements the d-subshells are filled with electrons monotonically with increase in atomic number.

IIT-JEE 1990

MCQ (Single Correct Answer)

-0.25

Amongst the following elements (whose electronic configuration are given below), the one having the highest ionization energy is:

[Ne] 3s²3p¹

[Ne] 3s²3p³

[Ne] 3s²3p²

[Ne] 3d¹⁰4s²4p³

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⁺

JEE Advanced Subjects