Can someone PLEASE help draw the Lewis structure for each of the molecules NH3 and help answer
1.What is the central atom?
2.How many atoms are bonded to the central atom?
3.How many lone pairs of electrons are on the central atom?
4.How many single bonds are there in this molecule?
5.How many multiple bonds (double and/or triple) are there in this molecule?
Stacey Warren - Expert brainly.com
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Well, hydrogen has 1 electron in its valence shell. So it's able to bond with another lone pair. Start with that.
Nitrogen has 5. That means that it has two lone pairs and 3 single electrons which are able to "bond"
So hydrogen is the central atom and there are no double or triple bonds? How would you draw it?
No, nitrogen is the central atom. Try drawing it first. Start by drawing lewis dots around nitrogen. Then draw 3 hydrogens around the nitrogen.
When you have
it means you have a single bond. which is usually shown as a line -
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Yes. correct. However, you have TWO electrons that are unpaired which you also need to draw.
would they go on each side of the C?
I mean N
Not on the side, but on top.
They go on top to show that they are unbonded and are a lone pair.
THank you :) so if i have CH4 i would get the model |dw:1362713415488:dw| what else would I have to add and how would I answer the questions
Yes. Carbon has 4 valence electrons in it's shell hence it could bond with hydrogens in that manner yes. However, in higher up chemistry courses, you should note that it actually is not flat, but actually has a 3 dimensional geometrical appearance.
So it would have one dot on each side of the C? And there is no double or triple bonds? 4 single bonds? and how many lone pairs and 4 atoms bonded to the central atom right?
Yes. Since you have 4 valence electrons for carbon and 4 hydrogens each with one single electron, everything bonds perfectly. No lone pairs.
You only use double bonds when there is extra lone pair electrons on other atoms.
so you have 4 hydrogens bonding the the carbon? Do u mind helping me with one more??