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प्रश्न
State the type of element for the following:
Oxygen
विकल्प
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Non-metal
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संबंधित प्रश्न
Give the symbol of the following element:
Sulphur [sulphide]
Write the chemical formula of the following:
zinc oxide
State the valency of the following metallic element and write symbol with the valency
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State the variable valency of the following metal.
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write symbol with the variable valency
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).
Aluminate
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).
Sulphite
What does the symbol '(aq.)' present in a chemical equation, mean?
______ of some elements are derived from Latin or Greek names of the elements.
Symbol of mercury is
How many elements are known at present?
