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प्रश्न
Give two example of elements.
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उत्तर
Example: Hydrogen, Oxygen is made from atoms containing a single proton and a single electron.
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संबंधित प्रश्न
Differentiate between:
Homogenous and heterogenous substances
Name: a Metal Which is brittle
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give two examples of Non-metals.
Find the atomicity of the Following molecule:
Aluminium Suiphide
Fill in the blank
The most abundant element in the atmosphere is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Write the names of elements from the following symbol:
Ti
There are ______ number of known elements.
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
