bhagya Posted October 21, 2011 Report Posted October 21, 2011 The concept of chemical element is related to that of chemical substance. A chemical element is specifically a substance which is composed of a single type of atom. A chemical element is characterized by a particular number of protons in the nuclei of its atoms. This number is known as the atomic number of the element. Spam links deleted. Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.