MEDIUM
10th CBSE
IMPORTANT
Earn 100
State one reason for keeping fluorine and chlorine in the same group of the periodic table.
Important Questions on Periodic Classification Of Elements
MEDIUM
10th CBSE
IMPORTANT
What are the merits of the modern periodic table of elements?
MEDIUM
10th CBSE
IMPORTANT
What is a group in the periodic table? In which part of the group would you separately expect the elements to have (i) the greatest metallic character (ii) the largest atomic size?
HARD
10th CBSE
IMPORTANT
In what respects do the properties of group 1 elements from those of group 17 elements? Explain with examples by taking one element from each group.
MEDIUM
10th CBSE
IMPORTANT
From the standpoint of atomic structure, atomic number, which element will be the first and which the last in a period of the periodic table?
MEDIUM
10th CBSE
IMPORTANT
Explain why, the properties of elements are repeated after 2, 8, 18, and 32 elements in the periodic table.
MEDIUM
10th CBSE
IMPORTANT
What are the advantages of the periodic table?
HARD
10th CBSE
IMPORTANT
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of the periodic table?
HARD
10th CBSE
IMPORTANT
The electronic configuration of the atom of an element is . In the modern periodic table, the element is placed in:
