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Technically, a non-pure substance is called a compound, so substance should not be used as an official scientific term. If you do come across the term 'substance', use context to decide. e.g. "Scientists isolated the substance boron." would be a pure substance, as boron is a single element.
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What happens when a pure substance undergoes a chemical changes?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
Do you agree that all homogeneous matter can be classified as pure substance?
Yes, all homogeneous matter can be classified as a pure substance because it has a uniform composition throughout. This means that all samples of the matter have the same properties and composition, making it a pure substance.
Is the particles of a pure substance different?
No, the particles of a pure substance are all the same kind. In a pure substance, such as an element or a compound, the particles are identical in their chemical makeup. This is what distinguishes a pure substance from a mixture, where different substances can be present in varying proportions.
Is a lemon a pure substance?
it is a pure substance.... not
Is Methane a mixture or a pure substance?
Methane is a pure substance.
What is the name of a pure substance that has two or more different elements?
There is no such thing. An element IS a pure substance.
Why isn't a mixture a pure substance?
A mixture is not a pure substance since it contains various substances. A pure substance in one that is not mixed with any other thing.
Does the composition stays the same or pure substance?
A pure substance consists of only one type of element or compound. The composition of a pure substance always stays the same, with a fixed ratio of its constituent particles.
Is 100 percent ethanol a pure substance?
Yes, as long as a substance is 100% (purity), it is considered as a pure substance. But logically, there is no such thing as a pure substance.
What is a pure sample of atoms that are all the same known as?
a element is a pure substance
What is a pure substance that has all particles the same?
An element.
What is a pure substance - all the atoms have the same atomic number or number of protons?
A pure substance in which all the atoms have the same atomic number or number of protons is an element.
What is a pure substance all the atoms have the same atomic number or number of protons?
A pure substance is a material made of only one type of particle, such as atoms or molecules, and all the atoms in a pure substance have the same atomic number or number of protons. This means that all the atoms in a pure substance are of the same element.
What happens when a pure substance undergoes a chemical changes?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
Is the melting point the same teperature as the freezing point for a substance?
Yes, when the substance is pure
What is pure is substance?
Chicken multiplied by the numerator of 64= Peanut Butter
What best describes the different between a mixture and a pure substance?
A mixture has different properties throughout; a pure substance has the same properties throughout.
