which of these properties is not shown by compounds?
These are pure substances.
The properties of a compound differ from its constituent elements
Compounds are formed by chemical combinations.
These cannot be separated by chemical methods.
Answers
Explanation:
The properties of a compound differ from its constituent elements
Answer:
option d
Explanation:
well, actually all of them are properties of compounds.
refer to these explanations-
1.these are pure substances
ans-yes, they are pure substances, if we need to define pure substances, it will be, Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure. Pure substances are further classified as elements and compounds. An element is a substance that consists of only one type or kind of atom.
Compounds are made of two or more different elements and elements are made of same atoms, thats why it is a pure substance.
EG-H2O IS A COMPOUND AND H AND O ARE ELEMENTS.2 HYDROGEN ATOMS AND ONE OXYGEN ATOM MAKE UP WATER.
2.The properties of a compound differ from its constituent elements
ans- Yes because, take H2O for example. H(hydrogen) and O(oxygen) are gases in the air but when you combine them chemically and make a new substance, its a liquid which basically means= combining 2 gas atoms makes up a liquid which is water.
3.Compounds are formed by chemical combinations.
ans- A compound is a substance that contains two or more elements chemically combined in a fixed proportion. The elements carbon and hydrogen combine to form many different compounds. However, it is not an element because it can be broken down into simpler substances – carbon and hydrogen.A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound. ... ionic compounds held together by ionic bonds.
this paragraph is from wikipedia, if u have doubts please do ask...
4.These cannot be separated by chemical methods.
ans-Explanation: A compound can be separated into simpler substances by chemical methods/reactions. Elements cannot be broken down into simpler substances by chemical reactions or any physical method.
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