s-Block Elements
In this post, I am sharing the Class 12 Chemistry Notes Chapter 2 Short Questions PDF for the students of FSC 2nd Year. The name of this chapter is s-Block Elements. Students can download the 12th Chemistry Chapter 2 Notes Short Questions in PDF format on their laptops or mobile. These Chemistry Notes are for the FSC Part 2 students of all boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Khan Board, and Sahiwal Board. Here are the complete FSC 2nd Year Chemistry Notes PDF of all chapters.
Short Questions Notes
Elements of group IA and IIA are called s-block elements. In electronic configuration of these elements, last electrons goes into s-orbit. The number of s-block elements are 14.
Alkali Metals:
“Elements of group IA except hydrogen ae called alkali metals. ” alkali metals include lithium, sodium, potassium, rubidium, cesium and francium. They are very reactive metals. When these metals are dissolved in water, they form strong alkaline solution. “The base which is water soluble is called alkali.”
Te name “alkali” is from Arabic language, which means “the ash”. The Arabs use this term for these metals because they found ashes of some plants were composed mainly of sodium and potassium oxides.
Alkaline Earth Metals:
“The elements of llA group are called alkaline earth metals.” Groups llA include beryllium, magnesium, calcium strontium, barium, and radium. Elements of group llA are called alkaline earth metals they produce alkalines in water and are widely distributed in the earth’s crust in carbonates and silicates.
How to Download?
FSC students can download these Class 12 Chemistry Notes of Chapter 2 Short Questions in PDF format and read them online. These notes contain Short Questions for practice. Just click on the red “Download Button” to download them. Please don’t forget to subscribe to our YouTube channel ilmihub.
Relevant Notes:
- 12th Class Chemistry Chapter 1 Notes
- 12th Class Chemistry Chapter 1 Short Questions
- 12th Class Chemistry Chapter 1 Solved Exercise
