What are inert gases
Inert gas The zero group consists of six elements: Helium (2He), Neon (1oNe), Argon (18Ar), Krypton (36Kr), Xenon (54Xe) and Radon (86Rn). They are all inactive…
Chemistry
Discuss Modern Periodic Law
The modern periodic law states that, “The physical and chemical properties of the elements and their compounds are periodic functions of their atomic number.” In…
Discuss Mendeleev’s Periodic Law
Mendeleev’s periodic law states that “The physical and chemical properties of elements and their compounds are periodic functions of their atomic mass.” Mendeleev arranged 63…
What is Aufbau’s principle?
Aufbau is a German word which means building up. Aufbau’s principle states that electron goes to different orbitals according to their increasing energy. Electrons first…
What are the ideal gas and real gas?
Ideal Gas: The gas which obeys all gas laws i.e. Boyle’s Law and Charle’s Law at all temperature and pressure is known as Ideal Gas.…
What do you mean by diffusion and effusion?
Diffusion: The phenomenon by which the gases intermix with one another to form a uniform mixture when they are brought in contact, due to the…
What do you mean by STP and SATP?
STP : The full name of STP is Standard Temperature and Pressure. In this method temperatures and pressures are considered as 0°C or 273 K…
How many laws are there for gases?
Some laws of gases are established to explain different characteristics of gases. There are mainly four laws of gases. They are: Boyle’s Law Charles’ Law…
Why important of critical temperature in liquefaction of gases?
Critical Temperature is an important term for the liquefaction of gases. The liquefaction of gas takes place when the intermolecular forces of attraction become so…
What the condition of liquefaction of gases?
Liquefaction of gases is the procedure by which substances in their gaseous state are converted to the liquid state. Liquefying a gas means the conversion…
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