2.3 Flashcards
What happens with electrons during nonpolar bonds?
A nonpolar covalent bond is a covalent bond in which the bonding electrons are shared equally between the two atoms.
What happens with electrons during polar bonds?
In a polar covalent bond, the electrons are unequally shared by the atoms and spend more time close to one atom than the other.
What happens with electrons during ionic bonds?
The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion).
Ionic and covalent differences
Covalent bonding involves the sharing of electrons between two or more atoms. Ionic bonds form when two or more ions come together and are held together by charge differences.
Explain how electronegativity determines what type of bond two atoms will form
large differences in electronegativity result in ionic bonds, while smaller differences result in covalent bonds