Question

what is an element.................... ​

Answer 1

Answer:

each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.

Answer 2

Answer :

An element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.