chemistry gk

50+ Powerful MCQs About Atomic Theory: Chemistry Gk

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50+ MCQs About Atomic Theory

Introduction: ‘Atomic Theory’ explains the structure and behavior of matter by stating that all substances are made up of tiny particles called ‘Atoms’. The earliest scientific atomic theory was proposed by John Dalton in the early 19th century. According to John Dalton, atoms are indivisible, indestructible, and identical for a given element. Later discoveries showed … Read more

50 Gk MCQs about Periodic Table

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Periodic Table

Periodic Table is a systematic arrangement of chemical elements based on their atomic number, electron configurations, and recurring chemical properties. Organized into rows called periods and columns called groups, it allows scientists to predict the properties and behaviors of elements. Since its development by Dmitri Mendeleev in 1869, the periodic table has become a fundamental … Read more