There is a definite number of elements while the number of compounds is not fixed, How will you account for it ?

The element which forms maximum number of compound is

Delta is generally formed wheere river meets the ocean. How will you account for it ?

Which element forms the highest number of compounds in the periodic table ?

A mixture of alcohol and water is called a true solution while that of mustard oil and water is known as emulsion. How will you account for it ?

The element with maximum number of oxidation states in their compounds is

Nitrongen and chlorine have same electronegativity (3.0). Molecular nitrogen is inert at room temperature while chlorine is highly reactive. How will you account for it ?

There are 15 protons and 16 neutrons in the nnucleus of an element .Calculate its atomic number and mass number .How will you represent the element?

There are 15 protons and 16 neutrons in the nucleus of an element. Calculate its atomic number and mass number. How will you represent the element?