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Short Tricks: Classification of Elements and Periodicity in Properties Video Lecture | Chemistry for JEE Main & Advanced

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FAQs on Short Tricks: Classification of Elements and Periodicity in Properties Video Lecture - Chemistry for JEE Main & Advanced

1. What is the significance of the periodic table in the classification of elements?
Ans. The periodic table arranges elements based on their atomic number, electron configuration, and recurring chemical properties, making it easier to study and predict the behavior of elements.
2. How are elements classified into groups and periods in the periodic table?
Ans. Elements are grouped based on similar properties into columns called groups, while periods are arranged horizontally based on the number of electron shells in an element's atom.
3. Why do elements in the same group have similar chemical properties?
Ans. Elements in the same group have the same number of valence electrons, leading to similar chemical reactivity and properties within that group.
4. What is the trend of atomic size across a period in the periodic table?
Ans. Atomic size decreases from left to right across a period due to increasing nuclear charge that attracts electrons closer to the nucleus.
5. How does ionization energy change as you move down a group in the periodic table?
Ans. Ionization energy decreases as you move down a group in the periodic table because the outermost electrons are farther from the nucleus and experience less attraction, making them easier to remove.
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