Choke Tubes Explained By CTD Blogger published on May 4, 2011 in Firearms The inside bore constriction at the muzzle end of a shotgunâs barrel is known as the âchoke.â
difference between elements and compounds atoms are the tiny units which collect up to form all the existing chemical substances atoms can join with other atoms in various ways thus form thousands of molecules and other compounds according to their electron donating or withdrawing abilities they can form covalent bonds or ionic bonds
What is the difference between Isotopes and Elements? â Different atoms of the same element are called isotopes. â Each element can have several isotopes. â The atomic weight of the element differs from the isotopic mass. The abundance of each isotope determines the atomic weight of an element.