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प्रश्न
State whether the following statement is true or false:
The symbol of element cobalt is CO.
उत्तर
False. The symbol for the element Cobalt is Co, as the second letter of the symbol of an element has to be in the lower case.
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संबंधित प्रश्न
Write the symbols of helium, silver, krypton, antimony, barium.
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Give the symbol of the following element:
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Fluorine
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Carbon monoxide
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Nitrogen dioxide
State the valency of the following metallic element and write symbol with the valency
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State the valency of the following metallic element and write symbol with the valency
Chromium
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
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).
Dichromate
