INTRODUCTION AND PROPERTIES OF GIRLS
As I am doing BS honors in Chemistry. Beside my studies, I also observed some characteristics of girls of my College. And I described……
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X-Rays
The very high energy rays which are produced by colliding fast moving electrons with heavy metal anode in the discharge tube are called……
ALLOTROPIC FORMS OF PHOSPHORUS AND THEIR USE IN INDUSTRIES
Phosphorus is represented by P. The atomic number is 15 and atomic weight is 30.97.Melting point of phosphorus is 44 and boiling point……
PRACTICAL APPLICATIONS OF FLUORINE
Fluorine are present in water and plants. In human body fluorine in is also present in bones, teeth and blood. Atomic number of fluorine……
REACTIONS OF NITROGEN AND THEIR PROPERTIES
Nitrogen in the represented by N. Its atomic number is 7 and atomic weight is 14. The melting point is -210 degree centigrade and……
EXISTANCE OF SILICON AND THEIR PHYSICAL AND CHEMICAL PROPERTIES
In earth crust 26 % silicon is present. It only occur in combined form and do not occur in free state. In combined form, it exist……
