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JEE Exam  >  JEE Notes  >  Chemistry Main & Advanced  >  Index: The s-block elements

Index: The s-block elements

1. General introduction

2. Alkali metals

3. General characteristics of the compounds of Alkali metals

4. Properties of lithium

5. Important compounds of sodium

6. Biological importance of sodium and potassium

7. Alkaline earth metals

8. General characteristics of compounds of Alkaline metals

9. Behaviour of Beryllium and its relation with aluminium

10. Important compounds of calcium

11. Biological importance of calcium and magnesium

12. NCERT Material

13. NEET Questions

14. Chapter tests and other docs

The document Index: The s-block elements is a part of the JEE Course Chemistry for JEE Main & Advanced.
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FAQs on Index: The s-block elements

1. What are the s-block elements?
Ans. The s-block elements are the elements in the periodic table that belong to groups 1 and 2. These elements have their outermost electron in the s orbital. They are known for their high reactivity and are often referred to as the alkali metals and alkaline earth metals.
2. How many elements are there in the s-block?
Ans. The s-block consists of a total of 8 elements. Group 1 contains the alkali metals, which include elements like hydrogen, lithium, sodium, and potassium. Group 2 consists of the alkaline earth metals, including beryllium, magnesium, calcium, and so on.
3. What are the common properties of s-block elements?
Ans. The common properties of s-block elements include low ionization energies, high reactivity, and the tendency to lose electrons to form positive ions. They are good conductors of heat and electricity and have relatively low melting and boiling points.
4. How do s-block elements react with water?
Ans. Alkali metals in the s-block, such as sodium and potassium, react vigorously with water. They release hydrogen gas and form hydroxides. Alkaline earth metals in the s-block, like calcium and magnesium, also react with water but at a slower rate.
5. Why are s-block elements important?
Ans. S-block elements have various important applications. Alkali metals, for example, are used in batteries, fireworks, and as reducing agents. Alkaline earth metals find applications in construction materials, such as cement and plaster. These elements also play crucial roles in biological processes and are found in the human body.
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Apr 29, 2026 Last updated
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