S block elements ISC CLASS 11 40 MCQs s | block elements isc class 11 solutions | s block elements
Автор: UJJWAL TUTORIAL
Загружено: 2025-12-06
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Описание:
S-block elements are a group of elements in the periodic table that have their valence electrons in the s-orbital. The s-block includes the elements in groups 1 and 2, which are also known as alkali metals and alkaline earth metals:
Alkali metals: Lithium, sodium, potassium, rubidium, cesium, and francium
Alkaline earth metals: Beryllium, magnesium, calcium, strontium, barium, and radium.
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S block elements ISC CLASS 11 40 MCQs s | block elements isc class 11 solutions | s block elements
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