Question

what do you mean by elements name three examples.
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Answer 1

Answer:

Elements are single material that cannot be divided into various parts

Carbon

Hydrogen

Gold

• Are some examples of elements

Answer 2

Answer:

What are the Elements?

We can define elements as a species of atoms that have the same number of protons in their atomic nuclei. Although an element’s atoms have the same number of protons, they can have different numbers of neutrons and hence different masses.

Isotopes: When atoms of the same element have different numbers of neutrons, they are known as isotopes. As of now, there are 118 elements, of which the first 94 are naturally occurring while the remaining 24 are synthetic elements.

Elements are complete chemical substances which relate to a single entry in the modern periodic table. Elements consist of one kind of atoms only. They cannot be broken down into simpler fragments and can exist as atoms or as molecules. Elements are represented by symbols that are assigned by IUPAC. For example, Oxygen is represented by O, Aluminium is represented by Al, etc.

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The elements are arranged in the periodic table and are split depending upon their groups as either metallic or non-metallic. Metallic is further classified into Main Group Metals, Transition Metals, and f-block metals. These are again further divided, depending upon their properties.

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Elements exist in their simplest form and cannot be broken down further. So, elements can exist in the form of ions, atoms, isotopes, molecules.

An example of an element is Nitrogen atom(N), Nitrogen gas (N2), Nitrogen ion(N3-) and Nitrogen isotopes (Nitrogen-13, Nitrogen-14, and Nitrogen-15).

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