Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Covalent Bonds
| Term | Definition |
|---|---|
| 1st element when naming a covalent compound | prefix is used when there are more than 1 that correspond to the # of the element used (mono- is not used) |
| 2nd element when naming a covalent compound | prefixes are always used that correspond to the # of the element used (including mono-), -ide ending is used |
| covalent bonds | very strong, atoms share electrons, only nonmetals/right side of periodic table is used |
| di- | 2 |
| tri- | 3 |
| tetra- | 4 |
| penta- | 5 |
| mono- | 1 |
| hexa- | 6 |
| hepta- | 7 |
| octo- | 8 |
| nona- | 9 |
| deca- | 10 |
| if an O is next to an A or another O | the A or O on the prefix is dropped |
| VESPR theory | valence, electrons, shell, pair, repulsion |
| single bond | one pair of electrons is shared, represented by a regular line (-) |
| double bond | two pairs of electrons are shared, represented by 2 lines (=) |
| triple bond | three pairs of electrons are shared, strongest bond, represented by three lines (≡) |
| all atoms want to get to... | 8 valence electrons ---> stable |
| how many atoms are needed to make a bond angle | 3 |
| hydrogen is an exception because | it only needs 2 valence electrons to be stable instead of 8 |
| central atoms | have the most places to bond (carbon) |
| linear (2 atoms) | no bond angle |
| linear (3 atoms) | 180 |
| bent | 104.5, 3 atoms, 2 bonds, 2 unshared pairs |
| planar triangular | 120, 4 atoms, 3 bonds |
| tetrahedral | 109.5, 5 atoms, 4 bonds |
| pyramidal | 107, 4 atoms, 3 bonds, 1 unshared pair |
| unshared pairs | pairs of electrons that aren't bonded to anything, take up more space than a bond, make the bond angle smaller |
| triangle in diagram | an atom is in front |
| dotted line in diagram | an atom is behind |
| valence electrons are found by | the last digit of the column number on the periodic table |
| coordinate covalent bonds | when one atom brings no/extra electrons and bonds to the central atom's electrons, creates a charge, brackets with the charge are used ([]) |
| negative charge | electrons are gained |
| positive charge | electrons are lost |
| electronegativity difference | how strong the bond is |
| 0-0.45 | non polar |
| 0.45-1.95 | polar |
| 1.95 + | ionic |
| nonpolar covalent bond | no negative/positive ends |
Created by:
ts2819
Popular Chemistry sets