The line in between indicates that there is a single bond connecting the two carbon atoms. Atoms can be bonded via single bond, double bond and a triple bond. Among the three, the single bond is the weakest, but it allows for more atoms to connect to it because it leaves 3 more pairs available for bonding.
So in summary, among all the bonds that was given, a c-c bond is the weakest and the longest.
The answer to this is <span>4 Al + 3 O2 = 2 Al2O3 i hope that this helps</span>
Answer:
Stars form in cold, dense regions of space called molecular clouds. When the force of gravity pulling in on the cloud is greater than the strength of internal pressure pushing out, the cloud collapses into a protostar.
Explanation:
Hope it helps
L'air n'est pas un mélange gazeux, donc la réponse serait le verre
