AP Biology Flashcards

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AP Biology terms to study using flashcards
fitzsik194
Flashcards by fitzsik194, updated more than 1 year ago
fitzsik194
Created by fitzsik194 over 8 years ago
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Question Answer
Electron a subatomic particle with a single negative charge; one or more electrons move around the nucleus
Isotopes one of several atomic forms of an element each containing different number of neutrons and different in atomic mass
Valence Electrons the electrons in the outermost electron shell
Chemical Bonds an attraction between two atoms resulting from a sharing of outer shell electrons or the presence of opposite charges on the atom; the bonded atoms gain compounds outer electron shells
Covalent Bonds A type of strong chemical bond in which two atoms share one pair of valence electrons
Polar Covalent Bonds a type of covalent bond between atoms that differ in electronegativity. the shared electrons are pulled closer to the more electronegative atom. making one slightly negative and the other slightly positive
Electronegativity the attraction of an atom for the electrons of a covalent bond
Anion A negatively charged ion
cation an ion with a positive charge produced by the loss of one or more electrons
Hydrogen Bond a type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecules is attracted to the slightly negative atom of a polar covalent in another bond
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