Question

types of matter (on the basis of chemical composition).​

Answer 1

Answer:

❤️❤️The composition of a pure substances cannot be changed by physical methods. Pure substances can be further classified as elements and compounds. Pure substances in which molecules are composed of only one kind of atoms are called elements. Example: Silver, Iron, Oxygen, Nitrogen, etc.❤️❤️

Explanation:

❤️❤️hello dear here is your answer mark it brainlist ok and follow me... :) ☺️☺️❤️❤️

Answer 2

Explanation:

Matter can also be classified by its chemical composition. An element is a pure substance made up of atoms with the same number of protons. As of 2011, 118 elements have been observed, 92 of which occur naturally. Carbon (C), Oxygen (O), Hydrogen (H) are examples of elements.