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S-Block Elements (Both Group 1 and Group 2) Video Lecture - JEE

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FAQs on S-Block Elements (Both Group 1 and Group 2) Video Lecture - JEE

1. What are the s-block elements in Group 1 and Group 2?

Ans. The s-block elements in Group 1 are known as alkali metals, which include elements like lithium (Li), sodium (Na), potassium (K), etc. The s-block elements in Group 2 are known as alkaline earth metals, which include elements like beryllium (Be), magnesium (Mg), calcium (Ca), etc.

2. What are the common properties of Group 1 elements?

Ans. Group 1 elements, or alkali metals, share several common properties. They have a single valence electron, making them highly reactive. They are soft metals with low melting and boiling points. They exhibit a silvery-white luster and are good conductors of heat and electricity.

3. What are the common properties of Group 2 elements?

Ans. Group 2 elements, or alkaline earth metals, also share common properties. They have two valence electrons and are less reactive compared to Group 1 elements. They are harder and denser than alkali metals, with higher melting and boiling points. They also have a silvery-white luster and are good conductors of heat and electricity.

4. What are some important uses of alkali metals?

Ans. Alkali metals have various important uses. Sodium and potassium are commonly used in the production of soaps, detergents, and glass. Lithium is used in batteries, particularly in rechargeable lithium-ion batteries. Potassium is also used in fertilizers, while rubidium and cesium have applications in atomic clocks and research.

5. What are some important uses of alkaline earth metals?

Ans. Alkaline earth metals find several applications as well. Calcium is essential for the formation and maintenance of bones and teeth. Magnesium is used in alloys, as a coagulant in water treatment, and in fireworks. Beryllium is used in nuclear reactors and aerospace applications due to its high strength and low density.

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S-Block Elements (Both Group 1 and Group 2) for JEE2024 is part of JEE preparation. The notes and questions for S-Block Elements (Both Group 1 and Group 2) have been prepared according to the JEE exam syllabus. Information about S-Block Elements (Both Group 1 and Group 2) covers all important topics for JEE2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for S-Block Elements (Both Group 1 and Group 2).

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