MEDIUM
11th CBSE
IMPORTANT
Earn 100
What are the -block elements?
Important Questions on s-Block Elements (Alkali and Alkaline Earth Metals)
MEDIUM
11th CBSE
IMPORTANT
Comment on the statement, “The first element of a group shows anomalous behaviour with respect to the rest of the members of the group.”
MEDIUM
11th CBSE
IMPORTANT
What is meant by the diagonal relationship in the periodic table? What is it due to?
HARD
11th CBSE
IMPORTANT
What is the cause of diagonal similarity?
MEDIUM
11th CBSE
IMPORTANT
Why are the elements of group-1 called the alkali metals?
MEDIUM
11th CBSE
IMPORTANT
List some important minerals of lithium and sodium.
MEDIUM
11th CBSE
IMPORTANT
Name the alkali metals in order of increasing atomic masses and write their electronic configurations.
MEDIUM
11th CBSE
IMPORTANT
Alkali metals have low ionization energies. Why is it so?
HARD
11th CBSE
IMPORTANT
Why alkali metals and their salts give characteristic colour to the flame?
