Related Questions
What is the correct answer?
4
Which of the following is not an s-block element?
What is the correct answer?
4
Which of the following has maximum ionisation energy?
What is the correct answer?
4
The general electronic configuration of s-block elements is
What is the correct answer?
4
Which of the following elements is not liquid at room temperature, i.e., 25°C?
What is the correct answer?
4
Which of the following did not find a place in Mendeleef's periodic table?
What is the correct answer?
4
Law of octaves was given by
What is the correct answer?
4
With the increase in atomic number in a period of the periodic table
A. electron affinity decreases
B. metallic character decreases
C. ionisation energy decreases
What is the correct answer?
4
Which of the following has the maximum size?
What is the correct answer?
4
Lother Meyer plotted a graph of
A. Atomic volume versus atomic number
B. Atomic radii versus atomic weight
C. Atomic weight versus mass number
D. Atomic volume versus atomic weight
What is the correct answer?
4
Which of the following elements have maximum electronegativity?
What is the correct answer?
4
A metal may have atomic number
What is the correct answer?
4
Which of the following atoms is paramagnetic?
What is the correct answer?
4
The differentiating electron enters in the penultimate energy level in the case of
What is the correct answer?
4
Which of the following conform both cation and anion?
What is the correct answer?
4
In the periodic table on moving from left to right across a period, the metallic character of elements
C. increases and decreases
What is the correct answer?
4
In C, N, O and F the electronegativity
B. decreases from C to O and then increases to F
C. increases from O to C and then decreases to F
What is the correct answer?
4
The lightest metal is
What is the correct answer?
4
On moving across a period from left to right the ionisation energy increases because
A. value of principal quantum number increases
B. effective nuclear charge increases
D. nuclear charge increases
What is the correct answer?
4
Elements belonging to the same period are
What is the correct answer?
4
An element has atomic number 2. It belongs to
What is the correct answer?
4
In a Lother Meyer curve sodium occurs at
C. some point on the curve
What is the correct answer?
4
Which of the following is an inert gas?
What is the correct answer?
4
Which of the following have maximum size?
What is the correct answer?
4
Which of the following has minimum ionisation energy?
What is the correct answer?
4
, , and are isoelectronic, the order of increasing size is
What is the correct answer?
4
The first atom with maximum number of d-electrons is with atomic number
What is the correct answer?
4
Which of the following has maximum ionisation energy ?
What is the correct answer?
4
Elements in the same vertical column has same
A. valence shell electronic configuration
B. electronic configuration
C. atomic number of isotopes
What is the correct answer?
4
Arrange the following set of atoms in the increasing order of electron affinity: F, Sr, Ge, Se
What is the correct answer?
4
Which of the following have negative electron affinity?