NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
- Rearrange the columns 2 and 3 so as to match with the column 1:
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- Match the columns:
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- Match the columns:
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- Match the columns:
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- Match the columns:
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- Match the columns:
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- Match the columns:
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- Write the names from the description: The period with electrons in t...
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- Write the names from the description: The group with valency zero.
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- The family of non-metals having valency one .
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- The family of metals having valency two
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- The metalloids in the second and third periods
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- The family of metals having valency one .
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- Non-metals in the third period .
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- Two elements having valency 4.
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- Write the names from the description: First three noble gases.
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- Name the following: Horizontal rows in modern periodic table.
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- Name the following: Two elements having a single electron in their out...
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- Three elements with filled outermost shell
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- Three elements having 7 electrons in their outermost shell
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