Types of Chemical Bondings (EXAM) Flashcards
● metal and nonmetal
● electron transfer; valence electrons of a metallic element are transferred to the atom of nonmetals
● often observed between atoms with large differences in their tendencies to lose or gain electrons
Ionic Bonding
when electrons transfer from
metal to nonmetal, each atom
forms an ___ with a noble gas electron
configuration
ion (charged particle)
Types of Ions:
___ - positively charged ions
___ - negatively charged ions
cations
anions
● nonmetals
● electron sharing; little difference in the tendencies of atoms to gain or lose electrons.
Covalent Bonding
localized between the two atoms, linking them in a covalent bond of a particular length and strength
Shared Electron Pairs
● exists between metallic elements
● metallic atoms pool their valence electrons into a “sea” of electrons that “flows” between and around each metal-ion core
● a strong, attractive force between atoms of a metallic element
Metallic Bonding
high ionization energy and highly negative electron affinity
Nonmetals
relatively large atoms with few outer electrons that are well shielded by its core electrons.
○ low ionization energy
○ slightly positive or negative electron affinity
Metals