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The sblock elements class 11 notes chemistry chapter 10. These elements are called alkali metals because they readily dissolve in water to form soluble hydroxides, which are strongly alkaline in nature. The electron in their most outward electron shell are in the s orbital. The elements of group 2 include beryllium, magnesium, calcium, strontium, barium and radium. These elements are called alkali metals because they readily dissolve in. Ncert solutions class 11 chemistry chapter 10 the s block elements, pdf free to download. To place certain elements into the correct group from the point of view of their chemical properties, mendeleev reversed the order of some pairs of elements and asserted that their atomic masses. Ncert solutions for class 11 chemistry chapter 11 the pblock elements. They are highly electropositive elements with a great tendency to lose electrons.
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