MEDIUM
10th CBSE
IMPORTANT
Earn 100

How do metallic characters of elements vary on moving from left to right across a period and down a group?

Important Questions on Periodic Classification of Elements

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?
MEDIUM
10th CBSE
IMPORTANT
Why atomic number is considered to be appropriate parameter than atomic mass for classification of elements in a periodic table?
EASY
10th CBSE
IMPORTANT
Consider two elements A and B belonging to group 1 and 2 respectively in the same period of the periodic table. Compare these two elements with respect to their atomic size.
EASY
10th CBSE
IMPORTANT
Consider two elements A and B belonging to group 1 and 2 respectively in the same period of the periodic table. Compare these two elements with respect to their valencies.