Classification of elements
Classification of Elements: Based on distinct physical properties like hardness, malleability & lustre a.Non-Metals b.Metals : Based on Chemical Properties: Alkali Metals: Metals which […]
inert or noble gases
Valency, Radicals, Ions and Bonds
Valency: Combining capacity of an element or a radical with another element or radical to form a compound or molecule Total number of electrons lost, […]
Classification of elements (Modern periodic table)
Modern periodic table was proposed by Henry Moseley in 1963. He found that the atomic number is the more fundamental property which led to the […]