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introoo

STUDY
PLAY
atomic number
number of protons and electrons in a nuetral atom
energy level
shells
valance electrons
electrons in the outermost energy level that are included in chemical reactions
octet
group of eight
ion
charged atom
anion
negatively charged atoms
cation
positivley charged atoms
ionic bond
when two atoms come together
ionic bond
caused by the transfer of electrons from one atom to another
covalent bond
formed by the sharing of electrons
metallic bond
formed as a framework of atoms with electrons free to move in an electron sea