Hydrogen has the lowest energy shell, 1s, containing one electron, since a neutral atom of hydrogen has 1 proton. The electron configurations of... View Article
The protonema is usually filamentous, and in some of the simplest forms is long-lived, while the small plants borne on it serve mainly to protect... View Article
Species richness is the number of different species found in a given ecosystem, region or a particular area. It is the most common type of... View Article
Animals with bones are know as vertebrates. Therefore, snakes are vertebrates. A snake's backbone is made up of many vertebrae attached to ribs.... View Article
For an ideal voltmeter no current should flow through it, all current should pass through the connected resistance so that its voltage can be... View Article
The three major buffer systems of our body are carbonic acid bicarbonate buffer system, phosphate buffer system and protein buffer system. The... View Article
Chemical bonds are formed when the electrons in an atom interact with the electrons in another atom. Strong bonds form when two atoms share... View Article
The substance which is used to relieve indigestion, caused by too much HCl secretion in the stomach, it is called as Antacid. Acidity in the... View Article
An obtuse triangle is any triangle that is having an obtuse angle which is greater than 90 degrees. Consider triangle ΔABC: Its area equals... View Article
Atomic number of oxygen is 8, so it has total 8 electrons. he first two electrons occupies in the 1s orbital. Since 1s can only hold two... View Article
The number of electrons for the K atom are 19 electrons. the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons... View Article
Moment of force is the rotational effect of a force, which is equal to the force multiplied by the perpendicular distance between a pivot and the... View Article
Copper(II) sulfate, also known as cupric sulfate, or copper sulphate, is the inorganic compound with the chemical formula CuSO4.xH2O, where x can... View Article
The average atomic mass of a chemical element is calculated by taking into account the atomic masses of its naturally occuring isotopes and their... View Article
The 20th century astronomer and author Robert Burnham Jr. devised this ingenious way to indicate the distance of one light-year to easily express... View Article
Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope in 1590. By placing different types... View Article
Linkage isomers are two or more coordination compounds in which the donor atom of at least one of the ligands is different. This type of... View Article