urgent
how many electron are shared in the covanlent bonds in a methane molecule
why is the answer 8
Originally posted by Ah sian:urgent
how many electron are shared in the covanlent bonds in a methane molecule
why is the answer 8
4 bonds, each bond is 2 electrons. 4 x 2 = 8.
how u know is 4 bond and 2 electron
Originally posted by Ah sian:how u know is 4 bond and 2 electron
Because C is in Grp IV, and to have stable octet, it must have 4 bonds. Each bond consists of 2 electrons.
i dont understand can explain
how you know that methane is in grp 4 and each bond consist of 2 electron
i thought electron can range from 2-8
and what is C
C is carbon. Methane is a molecule that consist of 1 carbon atom bonded to 4 hydrogen atoms.
but how you know methane is grp 4 and how u know that the bond consist of 2 electon
is it c2h4
so mr is 28 = 2.8.8.8
Originally posted by Ah sian:but how you know methane is grp 4 and how u know that the bond consist of 2 electon
is it c2h4
so mr is 28 = 2.8.8.8
Carbon is in Grp IV, not methane. So methane (an alkane with only 1 C) is CH4.
2.8.8.8.2
what
wait im very confuse
ch4 = 16
so 2.8.6
Originally posted by Ah sian:but how you know methane is grp 4 and how u know that the bond consist of 2 electon
is it c2h4
so mr is 28 = 2.8.8.8
>>> so mr is 28 = 2.8.8.8 <<<
You seem like you're writing the electron configuration.
Eg
Cl is 2.8.7
Cl- is 2.8.8
Ga is 2.8.18.3
Ga3+ is 2.8.18
Originally posted by UltimaOnline:
4 bonds, each bond is 2 electrons. 4 x 2 = 8.
how u know is 4 bond and each bond is 2 electron
can explain
Originally posted by Ah sian:how u know is 4 bond and each bond is 2 electron
Because "meth" means 1 carbon atom. And all carbon atoms must have 4 bonds (at least at 'O' levels; at 'A' levels you can have carbocations and carbanions, with 3 bond pairs zero lone pairs, and 3 bond pairs 1 lone pair, respectively).
And methANE is an alkANE, and without any subtitutents (eg. tribromomethane), so you know all 4 bonds from carbon must have hydrogen atoms attached.
And all covalent bonds consist of 2 electrons each.
CH4 right. So 4 hydrogen atoms bond to a carbon atom. So 4 bonds are forged, each between an atom. All 4 hydrogen atoms bond to the same carbon atom.
Since each hydrogen and carbon bond shares two electrons, 4 bonds = 8 electrons.
Try drawing out the dot and cross first. Then you'll see.
so any carbon atom = 4 bond
and each covalent bond must be 2 electron and cannot be other like 3 4 5 or 6 isit
Originally posted by Ah sian:so any carbon atom = 4 bond
and each covalent bond must be 2 electron and cannot be other like 3 4 5 or 6 isit
Yes, every covalent bond (in any molecule) always consists of 2 electrons.
(Ok, I'm gonna log off now. Will try to check forum tmrw morning, in case there are more last min qns.)
thanks i understand now