Flashcards
AP Biology Flashcards
Cards in this deck (10)
- 1Electrona subatomic particle with a single negative charge; one or more electrons move around the nucleus
- 2Isotopesone of several atomic forms of an element each containing different number of neutrons and different in atomic mass
- 3Valence Electronsthe electrons in the outermost electron shell
- 4Chemical Bondsan 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
- 5Covalent BondsA type of strong chemical bond in which two atoms share one pair of valence electrons
- 6Polar Covalent Bondsa 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
- 7Electronegativitythe attraction of an atom for the electrons of a covalent bond
- 8AnionA negatively charged ion
- 9cationan ion with a positive charge produced by the loss of one or more electrons
- 10Hydrogen Bonda 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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- AP Biology terms to study using flashcards
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