Helium Element Properties
Helium chemical symbol He, atomic number 2 is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas or chemical element of Group 18...
Hydrogen in Periodic Table of Elements
Hydrogen, symbol H, molecular formula H2 is a colorless, odorless, tasteless, flammable gaseous chemical substance among the periodic table...
Definition of Orbital
Orbital in chemistry or physics defines a three-dimensional region where the probability of finding an electron is maximum. The wave function suggests...