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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
- Fill in the blanks Using Dobereiner's law of traids , find the missi...
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- Fill in the blanks In the Mendeleev's periodic table, properties of ...
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- Fill in the blanks The vertical columns in the Mendeleev's periodic ...
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- Fill in the blanks Eka-aluminium is called.......
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- Fill in the blanks Zero group elements are called......
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- Fill in the blanks In the modern periodic table,the elements are the...
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- Fill in the blanks The d-block elements are called...
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- Fill in the blanks The group ...... contains the members of the halo...
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- Fill in the blanks ....... is the distance between the nucleus of th...
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- Fill in the blanks The number of electrons in an atom is equal to th...
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- Fill in the blanks Henry Mosely showed that the atomic number (Z) of...
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- Thecontains the group 1 and 2 elements
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- Fill in the blanks The elements arranged in such a way that ......ar...
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- Choose the correct altrernative and write it along with its allotted a...
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- Alkali earth metals have valency 2.this means that their position in t...
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- Molecular formula of the chloride of an element X is XCI. This compoun...
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- In which block of the modern periodic table are the non-metlas present...
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- Choose the correct altrernative and write it along with its allotted a...
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- Choose the correct altrernative and write it along with its allotted a...
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- Choose the correct altrernative and write it along with its allotted a...
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