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प्रश्न
Explain the difference between Atoms and molecules.
उत्तर
| Atoms | Molecules | |
| 1 | Atoms are the smallest particles of an element that can participate in a chemical reaction. | Molecules are the smallest parts of an element or compound, which exist independently. |
| 2 | They do not break up during chemical reactions. | They break up during chemical reactions. |
| 3 | They may or may not exist in a free state. | They exist in free forms. |
संबंधित प्रश्न
Correct the following statement:
CO and Co both represents cobalt.
Name: the Hardest Naturally Occurring Substance
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
Write the names of elements from the following symbol:
Ti
Write the names of elements from the following symbol:
Pt
Select the correct answer from the choice given below to complete the sentence :
An example of a monoatomic molecule is ___________.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Differentiate metals and non-metals.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
