CBSE Class 11-science Chemistry Modern Periodic Law
- what is vertical Collumn
- what do you mean by horizontal and vertical columns in a periodic table?
- In the modern periodic table,the group indicates ?
- State modern periodic law:
- What is periodicity? Discuss its cause.
- Name the shortest and the longest periods of the periodic table?
- What is the relationship between the number of period and principal quantum number?
- Differentiate between Mendeleev's Periodic Law and Modern Periodic Law.
- What are magic numbers?
- Hydrogen and noble gases are present in which group of the Mendeleev's periodic table?
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