Question

Easy definition for element.​

Answer 1

Answer:

In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.

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Answer 2

Answer:

• An element is a substance that is made entirely from one type of an atom. Eg :the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element of it.
• An element is a pure substance that is made from a single type of atom. Elements are the building blocks for all the rest of the matter in the world. Eg : elements include gold , helium, iron, oxygen, hydrogen. An important number in an element is the atomic number.