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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.
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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:
Al2(SO4)3
Define: Atomic number
What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
State the atomicity of the following:
Sulphur
Which of the following is a short and scientific way of representing one molecule of an element or compound?
Which of the following is a triatomic molecule?
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Define: Atomicity.
Write any two classifications of a molecule.
