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Chem CH2 Section 2

Chemistry CH2 Section 2 Electrons in Atoms

TermDefinition
electromagnetic spectrum the whole range of electromagnetic radiation
electron cloud the space around the nucleus of an atom where the atom’s electrons are found
emission spectrum the spectrum of light released from excited atoms of an element
energy level the regions of space in which electrons can move about the nucleus of an atom
Lewis dot diagram a diagram in which dots or other small symbols are placed around the chemical symbol of an element to illustrate the valence electrons
valence electron an electron in the outermost energy level of an atom