Science Facts Set-5

• An orbital is a three dimensional region around the nucleus of an atom within which the probability of finding an electron is maximum.
• Among all elements, Fluorine is the most electronegative element.
• The atomic mass of hydrogen is approximately equal to 1.008 amu.
• A crystalline solid is one which has a regular geometry and a sharp melting point. e.g: Sodium Chloride.
• An amorphous solid has neither a regular geometry nor a sharp melting point. e.g: Glass.

• Amphibians are those organisms which can live in both land and water. e.g: Frog.
• In medicine, LASER is used in microsurgery. In industry, it is used to drill fine holes in several hard materials.
• A Tape Worm is a parasite that lives in the digestive tract of vertebrates.
• Kinetic Energy is the energy possessed by a body in motion.
• Ornithology is the branch of zoology which deals with the study of birds.