What is called coin metal?
The metals, which are used to produce coins from the ancient age and were used as means of trade and commerce are called coin metals.
The metals, which are used to produce coins from the ancient age and were used as means of trade and commerce are called coin metals.
Methanal or the saturated aqueous solutions of formaldehyde (40% by volume, 37% by weight) is known as 100% formalin which is mainly used to preserve dead animals.
The modern periodic law is as follows- In the periodic table, the physical and chemical properties of the elements repeat periodically with their atomic number depending upon the electronic arrangement of the elements.
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.