The best way to do this is to google search each question, or look it up on quizlet.com
Probably true because chemicals do control weed and it hurts the environment.
Metallic bonding
Metals consist of giant structures of atoms arranged in a regular pattern. The electrons from the outer shells of the metal atoms are delocalised , and are free to move through the whole structure. This sharing of delocalised electrons results in strong metallic bonding .
