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They are molecules composed of two atoms of the same element.
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Pure substances can be classified as or compounds.?
Elements
Why elements and compounds are pure substances?
Elements and compounds are pure substances because they both have fixed compositions or uniformed compositions.
Elements and compounds cannot be broken down into simpler substances by an ordinary what?
Elements and compounds (pure substances) cannot be broken down by physical changes.
Are compounds pure substances made from other substances?
Compounds are comprised of different elements, for example water, H2O is a compound formed by the elements Hydrogen and Oxygen.
Is HCl a pure substance?
HCl is a pure substance because it is a compound. Pure substances consist of elements and compounds.
What can pure substances be classified as?
Pure substances are divided into elements and compounds.
Pure substances can be classified as or compounds.?
Elements
What is a name for elements and compounds?
Elements and compounds are pure substances. They also can be molecules.
What are two pure substances?
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
What 2 catogories of substances include pure substances?
elements and compounds
What are two substances are?
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
Which term are use to identify pure substances?
Pure substance can be identified as either elements or compounds. Some examples of pure substance that are elements are sulfur and tin. Pure substances that are compounds are sugar and salt.
The two types of pure substances?
elements and compounds (:
What are the two kinds of pure substances?
elements and compounds
In the classification of matter what are two pure substances?
The two types of matter that are pure substances are elements and compounds.
Is every pure substance an element?
No. Pure substances include elements and compounds.
Can a pure substance not be an element?
Yes. Both compounds and elements are pure substances.
