5.2 Flashcards
What happens to electrons during ionic bonds and nonpolar and polar covalent bonds?
In ionic bonds, valence electrons are ripped away from one atom and go to the other one, happens between nonmetals and metals, as nonmetals have a higher electronegativity than metals. In nonpolar covalent bonds, both atoms have equal electronegativity, so they pull on the electron equally. In polar covalent bonds, one atom has a slightly higher electronegativity than the other, so the electron is closer to the more electronegative atom, making that one partially negative, and the other atom partially positive.
What bond will two chlorine atoms form?
Nonpolar covalent, they have equal electronegativity as they are the same atoms.
Which atoms have higher electronegativity, and which have lower?
Nonmetals usually have higher electronegativity, and metals usually have lower.
What kind of bond is the one where one atom is partially negative, and the other is partially postive?
Polar covalent.