The number of well-known elements up till now is 118 elements, These elements can be classified according to their properties and electronic structure into
Physical and Chemical Properties The chemical inertness of the noble gases is based on their electronic structure. Each element has a completely filled valence shell. In fact their inertness helped to develop the key idea of a stable octet. The atomic sizes of the noble gas elements increase...
What is the empirical formula of benzene? What are aromatic compounds? What are the properties of noble gases? Which characteristic of a substance is considered a chemical property? What are the properties of ionic bonds? What properties does nitrogen have?
Various physical properties of eka-emanation (element 118) and emanation (element 86) are derived from van der Waal's theorem of corresponding states for noble gases. The properties include crystal lattice parameters and unit cell dimensions, density and atomic volume of solid and liquid from 0掳...
Properties Gaseous chemical element, symbol: He, atomic number: 2 and atomic weight 4,0026 g/mol. Helium is one of the noble gases of group O in the periodic table. It’s the second lightest element. The main helium source in the world is a series of fields of natural gas in the Un...
noble gas elec tron configuration of 2,8 and a charge of -1.By looking at this and seeing that xenon is pretty far down in the group we can see that it will have similar properties to the other noble gases but not exact which means that it might not be as inert as the others.So...
Chemical Properties of Neon Neon is a noble gas present in group 18 and period 2 of the periodic table. It is a p block element with atomic number and atomic mass of 10 and 20 respectively. At a typical 20°C temperature; it remains in a gaseous state. It has a density of 0.000825...
Chemical studies at the upper end of the periodic table have reached atomic number 114. Recent experiments aiming at investigating chemical properties of elements Cn, 113, and 114 are summarized. Though partly preliminary, all these elements behave as ex
5felectrons deep within the electron cloud. Because of its position in the 5th shell, this distinguishing electron subshell actually affects the chemical properties of the actinoids only in a relatively minor way; 5felectrons do not usually contribute to the formation ofchemical bondswith other ...
The most stable atoms are those of noble gases such as helium, neon, argon ...etc, Because their outermost energy level is filled with electrons, so, the