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प्रश्न
What is the difference between the molecule of an element and the molecule of a compound ? Give one
example of each.
टीपा लिहा
उत्तर
| Molecule of an element | Molecule of a compound |
| 1. It consists of two or more atoms of the same element chemically bonded together. | 1. It consists of two or more atoms of different elements chemically bonded together. |
| 2. Example: Bromine exists in nature as a diatomic element (Br2), wherein two bromine atoms are covalently bonded to give a molecule of bromine. | 2. Example: A molecule of nitric acid, HNO3, comprises one atom of hydrogen, one atom of nitrogen and three atoms of oxygen chemically bonded together. |
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संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
KNO3
Define: Atomic number
Define: Atomic weight :
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
In what form does oxygen gas occur in nature ?
In what form do noble gases occur in nature?
The cation of an element has :
Molecular compounds are usually formed by the combination between :
Which of the following is a triatomic molecule?
Give any two examples for heterodiatomic molecules.
