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A molecule is defined as an electrically neutral group of at least two atoms in a definite arrangement held together by very strong (covalent) chemical bonds A molecule may consist of atoms of a single chemical element, as with oxygen (O2), or of different elements, as with water (H2O).(Source wikipedia) So a pure substance that fiils that criterion can be either an element like O2 or a compound such as water (H2O).
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How many kinds of matter does a pure substance contain?
If it is a pure substance, than only one! Now that pure substance may contain many different elements (as many elements can make up a single pure compound), but a pure substance means only one compound.
Is ammonia a mixture or pure substance in chemistry?
Ammonia is pure substance. It is a molecule with formula NH(3).
What does Pure Substance mean in science?
I substance that made of only one element, to make a substance.
What makes a material a pure substance?
If all of the molecules of the substance are the same molecule
Is Mineral water pure substance or mixture?
No. A pure substance describes one that contains only one type of element/molecule. Mineral water is a mixture, since it contains many different types of minerals, next to water, and can therefore not be called a "pure" substance.
Is Hg pure substance a homogeneous mixture or a heterogeneous mixture?
Pure Substance.Hg stands for mercury. A pure substance is made of only one type of atom or molecule. Since mercury is an element, it is a pure substance.
Is sugar a pure substance?
Yes, sugar (sucrose, C12H22O11) is a compound, with only one type of molecule, which is a pure substance.
What does a molecule combine with to make a pure substance?
Nothing. A molecule is a pure substance if it is of one element.
A pure substance is matter that has a fixed what?
A pure substance is a substance that cannot be separated by means of physical separation but only by chemical. It is a change in time.
How many kinds of matter does a pure substance contain?
If it is a pure substance, than only one! Now that pure substance may contain many different elements (as many elements can make up a single pure compound), but a pure substance means only one compound.
What are single atoms?
A pure substance is a substance that is consistent throughout; it only has one substance. Example: pure sugar has only sugar throughout. Because of this, there could be any atoms in a pure substance, but those atoms would be in definite proportions.
Is C6H6 a pure substance or a mixture?
No, its a compound, which is a pure substance. It is just that molecule and no other molecule, so it is not a mixture.
Is a pure substance a molecule?
yes
A single kind of matter that is pure and has a specific set of properties?
a substance
What makes sugar a pure substance?
Table sugar consists of only 1 type of molecule.
Is ammonia a mixture or pure substance in chemistry?
Ammonia is pure substance. It is a molecule with formula NH(3).
Can an pure element be an compound?
No. An element is a pure substance made of only one kind of atom. A compound is a pure substance made of two or more kinds of atom.
