In chemistry each element is denoted by a _______.

The precentage composition of a compound represent the mass of each element present in ______ of the compound .

The Earth's gravitational acceleration is denoted by letter_______________.

The ionic product of water is denoted as ________.

An element occupies group number 1 and period number 3. This element heated in air gives compound A. With water it gives compound B - a strong base. With ammonia gives compound C, which is used as a reducing agent in organic chemistry. Identify the element A,B and C.

Magnification is denoted by the letter ____________.

Green chemistry means such reaction which

If the number of atoms of each element is not some on the two sides of an equation

Most reactions in chemistry are _______ system .