EASY
10th CBSE
IMPORTANT
Earn 100

What is the trend of atomic size in moving down a group?

Important Questions on Periodic Classification of Elements

MEDIUM
10th CBSE
IMPORTANT
Give the achievements of Mendeleev's periodic table.
MEDIUM
10th CBSE
IMPORTANT
How could modern periodic table remove the anomalies of Mendeleev's periodic table?
MEDIUM
10th CBSE
IMPORTANT
How do metallic characters of elements vary on moving from left to right across a period and down a group?
MEDIUM
10th CBSE
IMPORTANT
What is the position of isotopes of the same element and hydrogen in the modern periodic table?
MEDIUM
10th CBSE
IMPORTANT
An element E belongs to 3rd period and group 2 of the periodic table. What will be its valency?
MEDIUM
10th CBSE
IMPORTANT
An element E belongs to 3rd period and group 2 of the periodic table. What is the number of valence electrons in it?
MEDIUM
10th CBSE
IMPORTANT
An element E belongs to 3rd period and group 2 of the periodic table. State whether it is a metal or a non-metal.
MEDIUM
10th CBSE
IMPORTANT
If an element 'E' is liquid at room temperature and non-metallic, then can you predict its position in the periodic table?