class 12 chemistry notes​

Transition elements are metals found in Groups IB to VIIIB of the periodic table. Known for their ability to form various oxidation states, they are important in catalysis, metallurgy, and the production of alloys. Chemistry Class 12 Chapter 6 Notes Typical transition element is: CO The percentage of carbon in different types of iron products … Read more

The Halogens (Group VIIA) include fluorine, chlorine, bromine, iodine, and astatine, known for their high reactivity and tendency to form salts when combined with metals. The Noble Gases (Group VIIIA), such as helium, neon, argon, krypton, xenon, and radon, are colorless, odorless, and inert gases with a stable electron configuration, making them largely unreactive. Chemistry … Read more

Group VA and VIA elements in the periodic table include nitrogen, phosphorus, arsenic, antimony, and bismuth in Group VA, and oxygen, sulfur, selenium and tellurium, in Group VIA. These elements are essential in chemistry, biology, and industry, with important roles in compounds and reactions. Chemistry Class 12 Chapter 4 Notes ​Out of all the elements … Read more

Group IIIA and Group IVA elements in the periodic table include metals, metalloids, and nonmetals. Group IIIA consists of boron, aluminum, gallium, and thallium, while Group IVA includes carbon, silicon, germanium, tin, and lead. These elements play crucial roles in various chemical and industrial processes. Class 12 Chemistry Chapter 3 Notes ​Which metal is used … Read more

“Discover S-block elements in the periodic table, including alkali and alkaline earth metals, and their unique properties and reactions.” Chemistry MCQs FOR Class 12 Chapter 2 ​The word alkali is derived from which language: Arabic Dolomite is a carbonate of: Mg Which metal oxide is insoluble in water: MgO Which one of the following is … Read more

“Learn about the periodic classification of elements and how periodicity influences their properties, trends, and behavior in the periodic table.” 12th Class Chemistry Chapter 1 Notes Correct order according to atomic size in the following is: Be > Mg Which the correct statement: Na+is smaller than Na atom Number of elements in the first period … Read more