3.1 Periodic table
3.1 Periodic table: The Modern Periodic Law helped to classify the elements. The properties of elements are periodic function of increasing atomicRead More…
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2.2 The Electron configuration
2.2 The Electron configuration Quantum mechanical model of Atom: It is based on Heisenberg’s uncertainty principle and SchrodingerRead More…
2.1 The nuclear atom
2.1 The nuclear atom Thomson atomic model says that An atom is similar to a watermelon in which electrons are like watermelon seeds and Read More…
1.3 Reacting masses and volumes
1.3 Reacting masses and volumes Solve the following Practice Questions on Reacting masses using balanced Chemical equations Q.1 20 g Magnesium Read More…
1.2 The mole concept
1.2 The mole concept is about the quantitative aspects of a substance. What is 1Mole? 1 mole is an amount of a substance which contains aRead More…
1.1 PARTICULATE NATURE OF MATTER
1.1 Particulate nature of matter and chemical change Pure Substance: Pure substance has only one type of particles. Example: ERead More…