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sir, tell me any important questin that will appear in board exam from carbon and its compounds and periodic classification of elements?
(class 10 cbse)

Asked by sibi1999karthik 25th February 2016, 9:30 AM
Answered by Expert
Answer:

Hi,

For periodic classification of elements..you need to study first 20 elements thoroughly..

  • Print out a copy of the periodic table and stick it near your study desk.
  • Breakdown the table into smaller sections to learn it. Most charts are already divided by color and type of element. You could go by row, column, atomic weight, or simply easiest to hardest. Find patterns that stick out to you.
  • Keep a copy of a periodic table in your wallet. Try learning the periodic table when you get free time. For example, traveling by public transport or just waiting in the line for something.
  • Learn a few every day and always review the old ones! If you don't review and quiz yourself, you will forget.
  • Learn all the trends of the modern periodic table.
  • Refer to the chapter notes provided by www.topperlearning.com

You can go through the important questions/topics listed below:

Write the triads as formed by Dobereiner?

Newlands octaves

The limitation or demerits of mendeleev’s periodic table?

Define and explain modern periodic law?

Explain about the trends in modern periodic table, about various properties like vacancy, atomic size, metallic and non-metallic properties of the atoms of element?

How does the electronic configuration of an atom relate to its position the modern periodic table?

From the chapter Carbon and its Compounds

The key for learning carbon and its compounds is to understand and practice it rather than mugging up in the night before a test.

At first it may seem difficult, but the more you practice looking at and drawing organic structures, the more familiar you will become with the structures and formulas. It will help you immensely in the long run.

There are few skills you have to develop in this area:

  • Starting from basics, you should be aware of all the symbols of elements.
  • Learn all the functional groups.
  • Learn the rules of IUPAC nomenclature thoroughly. This will help you in naming compounds accurately.
  • You should be able to write the name of an organic compound into its structural formula.
  • You need to be able to name a compound from its given formula.

You can go through the important questions/topics listed below:

Properties of carbon.

Definition: Catenation and tetravalency

Allotropes of carbon

Saponification

Hope this helps.. Cheers!!

Answered by Expert 25th February 2016, 5:45 PM
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