Science

Nasal Concha Definition Nasal concha also called Turbinate, or Turbinal, any of several thin, scroll-shaped bony elements forming the upper chambers of the nasal cavities.…

Industrial Uses of Mercury Some common uses for mercury are to conduct electricity, measure temperature and pressure, act as a biocide, preservative, and disinfectant, as well…

Hay Fever Definition Hay fever is a seasonal allergy to airborne particles characterized by itchy eyes, runny nose, nasal congestion, sneezing, itchy throat, and excess…

Niobium Definition Niobium is a smooth, silvery, ductile metallic component that, together with the element tantalum, typically occurs in nature. It is used for the…

Chemical properties of Mercury: Mercury (chemical symbol Hg) is an amazing element. It is one of the few metals which is liquid at room temperature.…

Chalcopyrite Definition – Chalcopyrite is a brassy yellow, metallic, tetragonal mineral, usually occurring as shapeless masses of grains and a hardness of 3.5 to 4…

Mercury poisoning is the ill effects on human’s nervous system and other bodily systems due to the over-exposure of mercury. Mercury is a neurotoxin, meaning…

Anosmia Definition Anosmia is loss of the sense of smell. It is also called olfactory anesthesia. It may be a temporary issue, but some forms…

Antimony Definition Antimony is a metalloid element having many forms, the most common of which is a hard, very brittle, shiny, blue-white crystal. Antimony compounds…

Effects of Lead on Human Body Lead is a naturally occurring toxic metal found in the Earth’s crust. Its widespread use has resulted in extensive…

Valence Electron Definition Valence electron is an electron in one of the outer shells of an atom that can participate in forming chemical bonds with…

Lead poisoning Lead is a very strong poison. When a person swallows a lead object or inhales lead dust, some of the poison can stay…