Rare Earth Elements
Periodic Table of Elements Rare Earth Metals
Rare earth elements or rare earth metals also called lanthanides or inner transition metals are the chemical elements from cerium (Ce)...
Lanthanum
Lanthanum Element
Lanthanum is the f block element or rare-earth metal of the periodic table with atomic number 57 and symbol La. It is a...
Emulsion
Emulsion Definition in Chemistry
Emulsion in chemistry is formed when a liquid is dispersed in another liquid that is not miscible to each other. Milk...
Colloid
Colloid Solution
Colloid solution is a two-phase heterogeneous system in which one phase is dispersed in a fine state ranging from 1 nanometer (nm) to...
Conductance
Electrical Resistance and Conductance
Conductance or electrical conductance is the reciprocal of resistance and describes the property of an electrolyte solution that helps to conduct...
Ozone Layer
Ozone Layer Depletion
Ozone layer or ozonosphere is a region found in the upper atmosphere that contains relatively high concentrations of ozone gas (O3) to protect...
Ozone Gas
Ozone Gas
Ozone gas is a triatomic allotrope of oxygen with the molecular formula O3. It is an important constituent of the upper atmosphere where the...
Calcium
Calcium Element
Calcium is the chemical element or alkaline-earth metal of Group-2 (IIA) of the periodic table with the symbol Ca and atomic number 20. It is...
Potassium
Potassium Metal
Potassium is a chemical element or silvery-white alkali metal of Group-1 or IA of the periodic table with the symbol K and atomic number...
Silicon
Silicon Element
Silicon is an important metalloid or chemical element in the carbon family or Group 14 of the periodic table with atomic number 14 and...








