Elements of s and p block simultaneously are also called -----------.

The elements having intermediate properties between those of metals and non-metals are called--------

Fill in the blanks: The phenomenon in which absorption & adsorption takes place simultaneously is called___________.

A solid disc and aring,both ofradius ID cm are placed on ahorizontal table simultaneously, with initial angular speed equal to 10 p rad s_!. Which of the two will start to roll earlier? The co-efficient ofkinetic frictionis is mu_k=0.2

Why S-block elements are called alkali metals.

Describe the structure of one cell organelle, which is considered as semiautonomous organelle and also called powerhouse of cell.