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Quinn science L1

Chemical Bonding

chemical bonding the joining of atoms to form new substances
chemical bond a force of attraction that holds two atoms together
valence electrons the electrons in the outermost energy level of an atom, involved in forming chemical bonds
ionic bond the force of attraction between oppositely charged ions, metal and a nonmetal
ions charged particles that form during chemical changes when one or more valence electrons transfer from one atom to another
crystal lattice a repeating three dimensional pattern of ions
covalent bond the force of attraction between the nuclei of atoms and the electrons shared by the atoms, two non metals
metallic bond the force of attraction between positively charged metal ion and the electrons in a metal, two metals
number of valence electrons in groups one and two same as their group number
number of valence electrons in groups three through twelve one or two
number of valence electrons in groups thirteen through eighteen subtract ten from their group number
negative ion when an atom gains electrons in ionic bonding
positive ion when an atom loses electrons in ionic bonding
what group has a complete set of valence electrons 18
molecule a neutral group of atoms held together by covalent bonds
Created by: cquinnd15.org