EASY
Earn 100
The period is the shortest period of the periodic table.
50% studentsanswered this correctly
Important Questions on Periodic Classification of Elements
HARD
Define the modern periodic law. Discuss the construction of long form of the periodic table.
EASY
The atomic size decreases in a period from left to right.
MEDIUM
Mendeleev based his periodic table on the:
EASY
How many elements are discovered until now?
MEDIUM
Name the most reactive halogen.
EASY
In the long-form periodic table, the elements are arranged in the order of their increasing atomic masses.
MEDIUM
How do you appreciate the role of electronic configuration of the atoms of elements in the periodic classification?
EASY
First long period contains ...... elements.
EASY
All the elements in the periodic table are grouped together into four blocks.
EASY
Define the modern periodic law.
EASY
The properties of elements are a periodic function of their_____. (Mass number/ Atomic number)
MEDIUM
Match the correct answer from A, B, C, D & E for statement given below.
A: Boron B: Chlorine C: Potassium D: Platinum E: Radon
The element placed in the extreme left of the Modern Periodic Table.
EASY
Tabular arrangement of elements in rows and columns based on some properties.
EASY
How many horizontal rows and vertical columns are present in modern periodic table?
EASY
In the long form of peridic table, elements are arranged according to:-
EASY
The size of atoms increases on descending a group in the periodic table.
EASY
State modern periodic law.
EASY
Which of the following groups in modern periodic table have largest number of elements -
MEDIUM
Define the following term:
Modern Periodic Law.
MEDIUM
Justify the given statement with suitable examples— “The properties of the elements are a periodic function of their atomic numbers”.
