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Is carbon dioxide mixture or substance?
CO2 is a pure substance made of two elements, Carbon and Oxygen.
Is helium a pure substance?
Yes, helium is a pure substance because it is composed of only one type of atom, which is helium itself.
What are the similarities pure substance and mixtures?
They are both compounds; They both have more than 2 atoms or substances
Why the compound is referred to as a pure substance?
A compound is still a type of pure substance because of its number of particles. In order to be a pure substance, something needs one particle, and even though a compound is made of multiple elements, it still has a single particle.
Why is non iodized table salt a pure substance?
Non-iodized table salt is a pure substance because it is composed of only one type of particle: sodium chloride (NaCl). This means that all the particles in non-iodized table salt are identical in terms of their composition. Thus, it does not contain any impurities or other substances mixed in.
What are the 2 categories of substance?
The 2 categories are 'pure substances' or 'mixtures'
A pure substance can be what 2 things?
A pure substance can be an element or a compound. An element is made up of only one type of atom, while a compound is made up of two or more different types of atoms chemically bonded together.
How would you see if a substance is a mixture or pure?
A substance is considered a pure substance if it consists of only one type of atom or molecule throughout. On the other hand, a mixture is composed of two or more different substances physically combined. One way to determine if a substance is a mixture or pure is by performing a separation technique like distillation or chromatography to see if it can be broken down into its components.
Is a compound a mixture or a pure substance?
A pure compound is a substance composed of a specific molecule or formula unit composed of 2 or more elements that cannot be broken down physically.
Why is a mixture not a pure substance?
Because it contains 2 or more substances
What is a pure substance that contains only one kind of particle?
I thought it was pure substance. But i recently took a Science Test of these subject(i'm also in 8th grade) and it was the same question...EXACTLY! I put down Pure substance as well but appearantly the answer was "All of the Above" which included A.Pure Substance B.Compound C.Element ... so as long as you can prove it was only pure substance( This was for extra credit to get points back on the test for my teacher) You got the points. In my opinion a Pure Substance is the substance in which there is only one type of particle. I hoped this helped :)
Pure substance definition?
A pure substance:cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
Is beryllium a pure substance or a mixture?
Compound, no group 2 or group 1 (except H if its considered) exist in elemental form naturally.
Is a towel a pure substance?
no bbecause you have 1) the materiel in the fabric and 2) the dye or bleach
Is carbon dioxide mixture or substance?
CO2 is a pure substance made of two elements, Carbon and Oxygen.
What 2 groups are living things classified as?
Eukaryotic or prokaryotic
Is a compound pure substance?
A compound is 2 elements chemically combined, though it is unseparatable, it is made up of 2 or more elements. But since a compound cannot be broken down into elements, after the elements are chemically combined, that makes a compound a pure substance
