Shadow Power 24

Electron configuration is the distribution of electrons in various shells for any element. Such as electron configuration of Al is- Al(13)→1s22s22p63s23p1

The process by which a solid substance melts at the temperature of the melting point is called melting.

Solid CO2 is called dry ice.

The element or compound which absorbs water from other substances is called a dehydrating agent. 

At normal pressure (1 atm), the temperature at which a solid matter turns into a liquid state is called melting point of the solid substance.

The table used to arrange the discovered elements until now on the basis of their nature, properties, and electronic configuration is called the periodic table.

Rust is a hydrated ferric oxide (Fe2O3·nH2O). If iron is kept exposed in the open air, it undergoes a reaction with oxygen and water vapor and produces ferric oxide known as rust. Rust is a common name for iron oxide, which is a type of corrosion that forms on iron or steel when it is … Read more

Chemistry is being practiced in ancient times. Indian subcontinent had used colors to dye their clothes. The chemistry was used for metal mining.