6.1 – Chemistry – Flashcards
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chemical bond |
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forces that holdatoms/ions together in a compound |
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structure |
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arrangments of the parts of a whole |
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chemical structure |
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arrangment of the parts of a whole |
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bong length |
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distance between the nuclei of two bonded atoms |
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bong angle |
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angle formed by 2 bonds to the same atom |
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structural formulas |
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show structures of compounds |
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space filling model |
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showa relative sizes of atoms in a compound but not bond lengths |
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ionic bonds |
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form from attractions between oppositely charged ions |
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covalent bonds |
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bond formed when atoms share one or more pairs of electrons |
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nonpolar covalent bonds |
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electrons are shared equally |
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polar covalent bond |
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unequal sharing of electrons |
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conduct |
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able to carry |
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metallic bonds |
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formed by atrraction between postive ccharged metals ions and electrons around them |
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polyatomic ion |
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ion made of two or more atoms |
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empirical formula |
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composition of compounds of numbers and kinds of atoms in ratio |
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molecular formula |
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chemical formula that shows the number/kind of atoms in a molecule |
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organic |
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describe a type of compound |
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organic compound |
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covelently bonded compound that contains carbon |
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condensed structural formulas |
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shows how the atoms bond |
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born trifluoride |
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BF3 |
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barium fluoride |
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BaF2 |
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sodium ion |
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Na+ |
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calcium ion |
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Ca2+ |
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aluminum ion |
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Al3+ |
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Iron(II) oxide |
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Fe2+ |
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iron(III)oxide |
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Fe3+ |
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dinitrogen tetroxide |
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N2O4 |
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mono |
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1 |
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di |
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2 |
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tri |
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3 |
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tetra |
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4 |
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penta |
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5 |
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hexa |
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6 |
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hepta |
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7 |
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octa |
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8 |
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mona |
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9 |
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deca |
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10 |
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polymer |
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molecule that is a long chain made of smaller molecules |
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carbohydrates |
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class of molecules ( sugars, starches,fiber includes: carbon, hydrogen & oxyegen) |
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protein |
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organic compound made one 1 or more chains of amino acids (component of all cells) |
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amino acids |
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simple organic compound contain carboxyl group and amino acid group |