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CHETANA PUBLICATION-Periodic Classifications of ELements-EXAMPLE
- State the laws/ Define Isotopes have same atomic masses
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- State the laws/ Define Metalloids
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- What is the meant by periodicity ?
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- How will the tendency to gain electrons change as we go from left to r...
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- Why was Dobereiner's classification of elements not useful?
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- In the periodic table where are the metalloids placed?
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- Elements of which group are called as alkali metals?
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- Which is the incomplete period in the Moders periodic table?
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- which law was modified into modern periodic law?
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- what are periodic properties?
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- What are normal elements?
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- On what basis is potassium (Z=19) placed in 4^th period and group 1?
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- How will you differentiate between metals and non-metals by the number...
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- What are types of matter?
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- What are the types of elements ?
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- What are the smallest paritcles of matter called?
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- What is the difference between the molecules of elements and compounds...
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- What are thevalues of 'n' for the shells K,L and M?
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- What is the maximum number of electrons that can be accommodated in a ...
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- Write a short note on: Mendeleev's periodic law
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