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Periodic Classification of Elements Video Lecture | General Awareness for SSC CGL
FAQs on Periodic Classification of Elements Video Lecture - General Awareness for SSC CGL
| 1. What is the periodic classification of elements? |  |
Ans. The periodic classification of elements refers to the arrangement of elements in order of their atomic numbers and chemical properties in a periodic manner.
| 2. Who developed the modern periodic table? | |
Ans. The modern periodic table was developed by Dmitri Mendeleev in 1869, who arranged the elements based on their atomic mass and properties.
| 3. How many periods are there in the periodic table? | |
Ans. There are a total of 7 periods in the periodic table, each representing the energy levels of the elements.
| 4. What is the significance of the periodic table? | |
Ans. The periodic table helps in understanding the trends in physical and chemical properties of elements, predicting the properties of undiscovered elements, and organizing elements in a systematic manner.
| 5. How are elements arranged in the periodic table? | |
Ans. Elements in the periodic table are arranged in order of increasing atomic number from left to right and top to bottom, with elements having similar properties placed in the same group or column.
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