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प्रश्न
State whether the following statement is true or false:
The symbol of element cobalt is CO.
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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
What do you understand by :
Noble gases
What is meant by atomicity? Name the diatomic element.
Give two examples of the following:
Solid + Liquid mixture
Give the symbol of the following element:
Mercury
State the type of element for the following:
Oxygen
Write the radical of the following valency:
Aluminium
Give the formula of the following gas:
Nitric oxide
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).
Carbonate
What does a chemical symbol represent?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
