A pure substance or element contains. 1) two or more type of particles. 2) many types of particles. 3) one type of particles. 4) two or more forms of matter.
Answers
Answer:
3rd one
Explanation:
substance include compounds as well but in case of elements they are made up of one kind of atoms (particles) only
Answer:
A pure substance or element contains one type of particle.
The word 'particle' here can mean similar kinds of atoms with respect to elements or molecules (which can be made up of different types of atoms) in the case of substances.
Explanation:
Everyone should have a clear-cut concept and differences between the following terms- atoms, elements, molecules, compounds and substances. These are the basics of states of matter.
So let us learn in brief about the above mentioned terms:
- Atoms: smallest non-dividable unit of an element.
- Molecules: These are a group of atoms (similar or dissimilar) that are bonded together to form larger units.
- Element: These consists of a group of similar atoms. Remember that in an element, the atoms are not bonded to each other.
- Compounds: These are molecules made up of the same or different types of atoms that are mixed with some impurities. E.g., Iron ore.
- Substance: These are again molecules made up of the same or different types of atoms, but this time, with no impurities.
Thus, a substance is 100% pure.
You can learn more about elements and atoms by referring to the links below:
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