MEDIUM
11th ICSE
IMPORTANT
Earn 100
Predict the formulas of stable compounds that would be formed by following pairs of elements:
Element with and fluorine
(Note: Question have edited while the question have mistake in the book itself)
Important Questions on Classification of Elements and Periodicity in Properties
MEDIUM
11th ICSE
IMPORTANT
Predict the formulas of stable compounds that would be formed by following pairs of elements:
Element with and oxygen
EASY
11th ICSE
IMPORTANT
Explain the variation in acidic and basic character of oxides of second row elements.
EASY
11th ICSE
IMPORTANT
Account for the variation in metallic or non-metallic character in third row elements.
EASY
11th ICSE
IMPORTANT
Name the properties of the elements which, increases in going from left to right in a period.
EASY
11th ICSE
IMPORTANT
Name the properties of the elements which, decreases in going from left to right in a period.
EASY
11th ICSE
IMPORTANT
Name the properties of the elements which, increases in going from top to bottom in a group.
EASY
11th ICSE
IMPORTANT
Name the properties of the elements which, decreases in going from top to bottom in a group.
EASY
11th ICSE
IMPORTANT
Name the most metallic element and most non-metallic element in second period.
