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प्रश्न
Name: a Metal Which is brittle
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उत्तर
Zinc
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संबंधित प्रश्न
Define: Atom
Define:
Atomicity
Fill in the blank
A liquid non-metal is _______.
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Write the names of elements from the following symbol:
Ir
Write the names of elements from the following symbol:
Pt
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
______ is the life-giving element is the air.
