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.
Two elements present in a molecule makes it a compound, wheras if there is only one type of atom present it is just a molecule.
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there is only one kind of matter in a pure sustance
Matter & Substances are related because a substance is a matter IGuess ... of matter is not a substance because a matter may include many many substances.
No substance always has the same composition and properties, unless that substance is only considered in one of the various phases of matter. An element would be the logical choice, but many compounds and even solutions are the same no matter what (of course dependent on phase).
Some people divide matter into pure substances and mixtures. Pure substances are elements and compounds. Mixtures include homogeneous and heterogeneous mixtures. Some people divide matter into homogeneous matter and heterogeneous matter. Homogeneous matter includes pure substances and homogeneous mixtures (solutions). Heterogeneous matter is heterogeneous mixtures.
2,1 mole of any substance contain 12,646 496 709(27).1023 molecules.
there is only one kind of matter in a pure sustance
Matter & Substances are related because a substance is a matter IGuess ... of matter is not a substance because a matter may include many many substances.
Perfume is a liquid substance that you put on your body that smells good to the wearer. There are many different kinds of perfume, those that contain alcohol are watered down.
No, cells contain mixtures of many substances.
Chemicals? There are many kinds of chemical fertilizer and they all contain different ingredients.
1040 mg
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Ultrapure aluminium contain only aluminium atoms.
12 in each.
Yes, or actually it's several substances. There are many different kinds of sugar.
Yes. Basically, any objects you can touch - and many that you can't - contain matter.
No substance 'consists' of density. Rather density is a property of matter or substance. It is the amount of matter of a substance in a certain volume of that substance. A combination of a unit of mass (eg. kilogram) and a volume (eg. a cubic metre) You would say that a substance has a density of so many kilograms in a cubic metre.