EASY
NEET
IMPORTANT
Earn 100

Select the element of positive electron gain enthalpy
(a)
(b)
(c)
(d)

33.33% studentsanswered this correctly

Important Questions on Classification of Elements and Periodicity in Properties
EASY
NEET
IMPORTANT
Electrovalency of in compound is

EASY
NEET
IMPORTANT
Select the species of highest electronegativity

MEDIUM
NEET
IMPORTANT
An element, has electronic configuration of The incorrect statement(s) about this element is/are
(i) It belongs to th group of the periodic table.
(ii) It has protons.
(iii) Its ionisation energy is higher than the element placed left to this in the same period but lower than the element placed just above it.

EASY
NEET
IMPORTANT
Which of the following elements show properties that are characteristic of both metals and non-metals?

MEDIUM
NEET
IMPORTANT
Which of the following pairs of elements do not follow Newland's law of octave?

MEDIUM
NEET
IMPORTANT
The electronic configuration for the various elements are given below
a.
b.
C.
d.
From the above configurations, the correct order of their ionisation energy will be

MEDIUM
NEET
IMPORTANT
Metallic character is maximum for

MEDIUM
NEET
IMPORTANT
The correct order for the mentioned property is
