Question

what are element ? how are they different from mixture ?

Answer 1

Answer:

In chemistry, an element is a pure substance which cannot be broken down by chemical means, consisting of atoms which have identical numbers of protons in their atomic nuclei. The number of protons in the nucleus is the defining property of an element, and is referred to as the atomic number.

A material composed of two or more substances is a mixture. Elements and compounds are both examples of pure substances. A substance that cannot be broken down into chemically simpler components is an element.

Answer 2

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❥An element is a chemical substance that is made up of a particular kind of atom and hence cannot be broken down or transformed by a chemical reaction into a different element.

❥The differences between elements and mixtures are as follows:

• Elements are homogenous in nature whereas mixtures can be both homogenous and heterogeneous in nature.

• Elements consist of one type of atom only whereas mixtures have a combination of various atoms.

• Elements have definite or fixed physical properties, unlike mixtures.

• Elements cannot be separated by physical means whereas mixtures can be separated by physical means.

❥Example:

Element- Oxygen, Hydrogen, etc.

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