Protons and ____ are found in the nucleus of an atom. Electrons are found in electron ____. The 1st electron shell can have up to ____ electrons, and the other shells can have up to 8. Atoms react in order to achieve ____ outer electron shells.This arrangement makes them ____. If a Group 1 atom, such as Lithium (which has 3 electrons), has ____ electron in its outer shell, it will ____ the electron, making it have a ____ charge. In general metals will lose ____ to form ____ ions. A group 7 (Halogen) atom, such as Fluorine (which has 9 electrons), has ____ electrons on its outer shell. To complete it's outer shell, it ____ one electron, making it have a ____ charge. In general all ____ will gain electrons and form negative ____. The lithium and fluoride ions looked at in our example will attract together as the oppositely charged ions ____ together. The ions are attracted together by ____ and form a structure called a ____.

Ionic Bonding LiF Example




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