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प्रश्न
Give two examples of Metalloids.
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उत्तर
Examples of Metalloids are Antimony, silicon, boron
संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Give Two Examples for Each of the Following: Non-metals
Indicate whether the following statement is true or false:
Elements are made up of compounds
Select the correct answer from the choice in the bracket.
The least reactive metal.
Select the correct answer from A, B, C, D & E for the statement given below :
A noble gas.
Elements are the______ form of pure substances.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
Matter is its simplest form is called ______.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
