chem U7 Word Scramble
|
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
Question | Answer |
what happens to the electrons in covalent bonding | electrons are shared to achieve octet and outer electron clouds overlap to release energy. only singles are stolen |
sigma bond | always formed first; when 2 orbitals overlap directly on the bond axis |
pi bond | when parallel p orbitals bend to overlap (for double and triple bonds) |
covalent radius | radius that is measured by dividing the internuclear distance btwn the 2 bonded atoms |
van der waals radius | the minimum distance btwn atoms not bonded. defined by the outer edge of the electron shell. |
how is the van der waals radius found? | another atom bumps against the molecule; the molecule's e- cloud repels it and pushes it out |
do covalent bonds conduct electricity? | no; they have no charge |
do covalent bonds have a high melting pt or low melting pt? | low melting pt (<500F) |
covalent compound's physical state? | nonbrittle solids, liquid, gas |
appreance of covalent compounds | dull |
Created by:
allyson.lee
Popular Chemistry sets