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प्रश्न
State the type of element for the following:
Mercury
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Define: Elements-
Give two examples of the following:
Liquid + Liquid mixture:
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
Give the symbol of the following element:
Antimony
Write the chemical formula of the following:
zinc oxide
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Nitride
What does the symbol '(l)' present in a chemical equation, mean?
Antimony has the highest tensile strength.
