Chemical Bonding

noun A territorial limit; a boundary

verb To move by leaps or bounds; to be destined or certain to do something

adjective Tied; secured; heading or having a direction towards a specified destination

• The documents are bound together in a folder for easy reference.
• I'm bound to forget my keys if I don't put them in the same place every day.
• I heard they're bound to win the game tonight.
• His determination is bound to lead him to success in the future.

noun a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids

• The movement of an electron within an atom can be described by quantum mechanics.
• I heard that electrons are the tiny particles that orbit around the nucleus of an atom.
• Yo, did you know electrons are like the little guys that do all the work in an atom?
• Her energy level was like an electron, constantly moving and buzzing with excitement.