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प्रश्न
Differentiate between elements and compounds.
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उत्तर
| Elements | Compounds |
| An element is the simplest substance | A compound is a chemical substance formed by the combination of two or more elements |
| Elements combine to form compounds | Compounds can be split into elements |
| Atoms are the fundamental particle of an element | Molecules are the fundamental particles of a compound |
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संबंधित प्रश्न
What is meant by H20 and 3H2O
Indicate whether the following statement is true or false:
Molecules can exist independently.
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Select the correct answer from the choice given below.
The unreactive non-metallic element
Write the names of elements from the following symbol:
Xe
Write the names of elements from the following symbol:
Ti
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Differentiate between homogenous & heterogeneous mixtures.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
