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compound made from transfer of valence electrons
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Ionic vs Covalent
Review of Ionic and Covalent Compounds
| Question | Answer |
|---|---|
| compound made from transfer of valence electrons | ionic |
| compound made from sharing of valence electrons | covalent |
| Need this for knowing charge of D block elements | Roman Numeral |
| charge of cations | positive |
| charge of anions | negative |
| prefix for 10 | deca |
| prefix never used on first anion in a compound | mono |
| prefix for 9 | nona |
| sharing 2 total valence electrons | single covalent bond |
| sharing 6 total valence electrons | triple covalent bond |
| sharing of 4 total valence electrons | double covalent bond |
| this trait determines the "tug of war" over shared electrons | electronegativity |
| charge of both ionic and covalent compounds | neutral |
| neutral group of atoms joined with covalent bonds | molecule |
| equal sharing of valence electrons | nonpolar covalent bonding |
| unequal sharing of valence electrons | polar covalent bonding |
| 2 ions in an ionic bond | cation & anion |
| 2 ions in an covalent bond | anion & anion |
| says that atoms and ions become stable with 8 valence electrons | octet rule |
| name of ions specifically from group 7A | halide |
| element that is the exception in group 8A due to # of valence electrons | He |
| element that will always win the "tug of war" for shared electrons | F |
| group that halide ions come from | 7A |
| group's electron configuration is the goal of covalent and ionic bonding | 8A |
| charge of ionic and covalent compounds | neutral |
| prefix for 8 | octa |
| prefix for 6 | hexa |
| prefix for 7 | hepta |
| the number of valence electrons matches this number | group |
| 2 ways of finding the chemical formula of a covalent compound | Lewis dots & prefixes |
| 2 ways of finding the chemical formula of an ionic compound | Lewis dots & criss crossing |
| bond when 1 element provides both shared electrons | coordinate covalent |
| cations are in these groups | 1A , 2A , 3A |
| anions are in these groups | 5A , 6A , 7A |
| acids have this pH range | 0 to 6 |
| bases have this pH range | 8 to 14 |
| neutral substances have this pH range | 7 |
| only this can completely neutralize a strong acid | strong bases |
| the products of a neutralization reaction | salt and water |
| ions released by acids when dissolved in water | H+ ions |
| ions released by bases when dissolved in water | OH- ions |
| the taste and feel of acids | sour and corrosive |
| the taste and feel of bases | bitter and slippery |
| acids do this to pH litmus paper | blue to red |
| bases do this to pH litmus paper | red to blue |
| neutral substances do this to pH litmus paper | no change to pH paper |
| monatomic anions have this ending | ide |
| polyatomic ions with 1 less oxygen atoms have this ending | ite |
| polyatomic ions with 1 more oxygen atoms have this ending | ate |
Created by:
cadetjt
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