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NEET - Grade 11 - Chemistry - The s-Block Elements - Importance and Snapshot of S Block Element - Study ref# 677

Introduction: The  s-block elements of the periodic Table are those in which the last electron enters the outermost s-orbital. As the s-orbital can accommodate only two electrons, two groups [1 & 2] belong to the s-block of the Per... read more

NEET - Grade 11 - Chemistry - The s-Block Elements - Importance and Snapshot of S Block Element - Study ref# 678

Following sections must be covered to understand the S-block Elements: 1. Group 1 Elements: Alkali Metals 2. General Characteristics of the Compounds of the Alkali Metals 3. Anomalous Properties of Lithium 4. Some important Co... read more

NEET - Grade 11 - Chemistry - The s-Block Elements - Study ref# 1635

Discuss the general characteristics and gradation in properties of alkaline earth metals. Answer: Elements of group-2, Be, Mg, Ca, Sr, Ba and Ra are collectively known as alkaline earth metals (except beryllium). General Characteristics A... read more

NEET - Grade 11 - Chemistry - The s-Block Elements - Study ref# 1638

In what ways lithium shows similarities to magnesium in its chemical behavior? Answer: Lithium resembles with magnesium due to their similar size [atomic radii, Li = 152 pm, Mg = 160 pm; ionic radii : Li+ = 76 pm, Mg2+ = 72 pm;] The impor... read more

NEET - Grade 11 - Chemistry - The s-Block Elements - Study ref# 1645

What happens when magnesium is burnt in air? Answer: 2Mg (s) + O2 (g) 2MgO(s) and 3 Mg(s) + N2(g) Mg3N2(s) Hints: Air contains nit... read more

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