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प्रश्न
Write the names of elements from the following symbol:
Pt
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उत्तर
Pt- Platinum
संबंधित प्रश्न
Define: Elements
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Define a pure substance. How many types of pure substances do you know?
Define: Molecule
Name: Two substances used to make electric wires
Find the atomicity of the Following molecule:
Aluminium Suiphide
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Elements are the______ form of pure substances.
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
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 which is required for combustion.
