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Unformatted text preview: • Molecule-two or more atoms held together by covalent bonds • Electronegativity- the attraction of a particular kind of atom for the electrons of a covalent bond • Nonpolar covalent bond- covalent bond in which electrons are shared equally • Polar covalent bond- electrons in a covalent bond are not shared equally • Ionic bond- attraction between cations and anions • Energy level- correlated with its average distance from the nucleus • Ground state- atom without energy • Excited state- atom that received enough energy to have an electron jump from one energy level to a higher one • Single bond- a pair of shared electrons • Double bond- two pairs of shared electrons...
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This note was uploaded on 08/07/2009 for the course BY 123 taught by Professor Cusic during the Spring '07 term at University of Alabama at Birmingham.
- Spring '07