answersLogoWhite

0


Best Answer

A pure substance is either an element or compound. Elements are composed of only one kind of atom, and compounds are composed of a definite proportion of atoms of different elements that is always the same.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is a sample of matter considered a pure substance?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is a sample of matter either a single element or a single compound?

a pure substance! ;)


Is every sample of matter substance?

Every sample of matter is not a substance because a matter may include multiple substances. A substance contains only one kind of matter.


Sample of matter that has the same composition and properties throughout?

term for that is pure substance


What is a sample of a matter either single element or a single compound that has a definite chemical and physical properties?

a pure substance. :)


How can you use Dalton's atomtic theory to explain why every sample of a pure substance has the same properties?

A pure substance is a kind of matter which is not mixed with any other solution or substance and can't be saperated futher.


What is a sample if matter that has the same composition and properties throughout what?

"A phase is a state of a...system that has...uniform chemical composition and physical properties.""Matter." Wikipedia. 19 Feb 2008, 04:16 UTC. Wikimedia Foundation, Inc. 19 Feb 2008 .


What is pure sample of calcium?

calcium is an element, so it is the pure substance.. it is a grey/silver. calcium is an element, so it is the pure substance.. it is a grey/silver.


What purpose is is served when water is used instead of a sample substance?

For example to establish a zero point for an instrument or to make a measurement on water considered as a pure sample.


The difference between a pure substance and a homogeneous misture?

Pure substance: matter w/properties/composition that don't vary from sample to sample. (salt, water,etc). Homogeneous mixture: composition can vary; an example is a solution (coffee w/sugar) and is uniform throughout.


Why is iron and zinc a mixture?

Pure iron is a pure substance because it's chemical composition stays uniform regardless of it's sample size. It's matter that appears uniform in appearance and composition, no matter how small the sample size. An example of a pure substance includes pure iron


What is a pure sample of atoms that are all the same known as?

a element is a pure substance


What is one characteristic of a sample of matter that indicates it is a pure substance?

A pure substance is a material which contains atoms of only one kind. It has fixed physical and chemical properties like boiling point, melting point, valency, density.