Unit 5 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| electronegativity | a measure of the attraction of an atom for electrons
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| ionic bond | often form when metals bond with nonmetals and there is a great difference in electronegativities
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| non-polar covalent bond | bonds that form when the difference in electronegativity between bonding atoms is low - The electrons are shared equally between the atoms.
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| polar covalent bond | An unequal sharing of electrons. One atom with a higher electronegativity draws the bonding electrons toward itself, pulling those electrons away from the atom with the lower electronegativity value.
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| non reactive non metals | Noble gasses
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| valence electrons | the electrons in the outermost energy level of an atom
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| covalent bond | form between two nonmetal atoms because the atoms have similar electronegativities
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| single covalent bond | A bond that is composed of two shared electrons
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| double covalent bond | A bond that is composed of four shared electrons
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| triple covalent bond | A bond that is composed of six shared electrons
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| Lewis structure | a representation of an atom's valence electrons using dots and the element symbol
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| octet rule | refers to the tendency of atoms to prefer to have eight electrons in the valence shell.
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| coordinate covalent bond | A covalent bond in which both electrons come from one atom.
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| resonance structure | represent all of the possible positions of electrons in a molecule’s chemical bonds.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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