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प्रश्न
State the type of element for the following:
Silicon
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metalloid
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संबंधित प्रश्न
Define: Compounds
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
State whether the following statement is true or false:
The symbol of element cobalt is CO.
What do the following symbol stand for?
2H
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give the symbol of the following element:
Carbon
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).
Sulphide
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 '→' present in a chemical equation, mean?
Write a note on Greem symbols.
