Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
Transition elements show high melting points. Why?
d' block elements shows variable oxidation states Why.
Which of the following plant shows multiple epidermis?
Why does carbon show maximum catenation among group 14 elements ?
The electronic configuration of an element 'X' is 2, 8, 8, 2. To which (a) period and (b) group of the Modern Periodic Table does 'X' belong? State its valency. Justify your answer in each case.
NCERT KANNAD-WHAT IS INSIDE THE ATOM ? -THINK AND DISCUSS