EASY
11th Odisha Board
IMPORTANT
Earn 100

Between lithium and sodium which is more electropositive?

Important Questions on Classification of Elements and Periodicity in Properties
MEDIUM
11th Odisha Board
IMPORTANT
Which of the following has lowest electron affinity?

EASY
11th Odisha Board
IMPORTANT
Name two elements of group 5 of periodic table.

EASY
11th Odisha Board
IMPORTANT
Which of the following elements shows variable valency?
Iron, sodium, calcium, strontium

EASY
11th Odisha Board
IMPORTANT
Name any two elements of group 2 of the periodic table.

MEDIUM
11th Odisha Board
IMPORTANT
Which one of the following elements has the lowest electronegativity?

MEDIUM
11th Odisha Board
IMPORTANT
Which of the following has the highest ionisation potential?

MEDIUM
11th Odisha Board
IMPORTANT
Arrange the following in order of increasing size:

EASY
11th Odisha Board
IMPORTANT
Name the elements in the group I of the periodic table.
