EASY
10th ICSE
IMPORTANT
Earn 100
What do you understand by typical elements?
Important Questions on Periodic Table, Periodic Properties and Variations of Properties
EASY
10th ICSE
IMPORTANT
What do you understand by orbits?
EASY
10th ICSE
IMPORTANT
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
MEDIUM
10th ICSE
IMPORTANT
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties. What are those similar properties ?
EASY
10th ICSE
IMPORTANT
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties. What is the common name of this group or family?
EASY
10th ICSE
IMPORTANT
What is the main characteristic of the last element in each period of the periodic table? What is the general name of such elements?
EASY
10th ICSE
IMPORTANT
According to atomic structure, what determines which element will be the first and which will be the last in a period?
MEDIUM
10th ICSE
IMPORTANT
How does the number of valence electrons and valency vary on moving from left to right in the third period of the periodic table?
EASY
10th ICSE
IMPORTANT
Name the type of elements which have their outermost shell complete.
