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Download Draw atomic models showing the appropriate number of electrons
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Draw atomic models showing the appropriate number of electrons on each shell for the following elements: phosphorous #valence electrons beryllium #valence electrons silicon #valence electrons nitrogen #valence electrons sulfur #valence electrons selenium #valence electrons Unit 3 Review Sheet Vocabulary Electron shell Valence electron Ion Ionic bond Covalent bond Electronegativity Nonpolar bond Polar bond 1. How strongly an atom is able to tug on bonding electrons 2. Type of bond that forms between two atoms of different electronegativities where electrons are unevenly shared 3. The electrical force of attraction that holds ions of opposite charge together 4. A chemical bond in which atoms are held together by their mutual attraction for two electrons they share 5. Type of bond that forms between two atoms of similar electronegativity when electrons are equally shared 6. A region of space about the atomic nucleus within which electrons may reside 7. Any electron in the outermost occupied shell of an atom 8. Atoms with a positive or negative charge due to loss or gain of electrons Use the electronegativity chart on page 402 of your book for the following: 1. List these bonds in order of increasing polarity: Se—Cl, P—Cl, F—Cl, Mg—Cl 2. List these bonds in order of increasing polarity: P—S, P—O, P—Br, P—F 3. List these bonds in order of increasing polarity: N—S, N—C, N—Se, N—Cl 4. List these bonds in order of increasing polarity: Br—O, Br—Cl, Br—F, Br—S