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Noble gases do not react with each other
like Xenon and Helium will not react
VIHAAN
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Mixtures?
2 or more substances physically combined, or having no chemical bond
What is a substance that has 2 chemically combined elements?
molecule
Is copper oxide a pure substance?
No, its a compound which is 2 or more elements combined. Copper oxide is copper + oxygen which are 2 separate substances.
What a two or more substances that are combined chemically?
Two or more substances which can chemically react form new chemicals after the reaction.1. If these chemicals react they form new compounds.2. Without a chemical reaction they form a mixture.Read more: What_is_two_or_more_substance_are_combined
What is a compound substances?
A compound substance is one that is made up of two or more elements.
What substance that contains 2 or more elements chemically combined in a fixed proportion?
A substance made of two or more elements chemically combined in a specific proportion is called a compound. A substance composed of two or more elements combined chemically in a fixed proportion by mass is called a compound. A chemical compound can be held together by a covalent bond or an ionic bond.
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
What describes a compound?
Any two or more elements, that are chemically combined to make a new substance. e.g. water,(H2O) , Sodium hydroxide (NaOH), Ethanoic acid (CH3COOH)
2 or more substances form what?
Two or more substances may combine chemically under certain conditions and form compounds.
What are composed of 2 or more elements that have been chemically combined?
Two or more elements chemically combined form a compound.
What is 2 or more substances that are not chemicaly combined?
mixture
What is molucules?
a molecule is 2 or more atoms combined
