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@Photon336 can you help with this one too?
@JayTheGreat yes, are you familiar with electron configurations?
somewhat, I don't really understand it tbh.
let's first look at where phosphorus is on the periodic table
phosphorus has an atomic number of 15 so it has 15 electrons.
now non bonding electrons, if I remember this correctly it's talking about the electrons that don't participate in bonds.
@JayTheGreat A good way to tell how many nonbonding electrons there are is to look at the vertical columns, called groups. groups are organized based on the number of valence electrons they have. so you can see that phosphorus is in the same group as nitrogen, |dw:1443462284876:dw|
based off of this how many valence electrons does phosphorus have?
another question see the group with fluorine how many valence electrons do those have ?
you see a pattern right? the groups vertical columns are organized based on the number of valence electrons. now for phosphorus |dw:1443462815152:dw|
one thing that you need to realize is that non-bonding electrons are sometimes called lone pairs, because they dont participate in bonding. phosphorus would need to be bonded to something for you to figure this out but the lewis dot structures help you to figure this out.
so 5 ix the number of nonbonding electrons or the total number of all electrons
Phosphorus needs to be bonded to something I.E. a molecule did they give you an example?
strange, non bonding means those elections dont participate in any bonding, just as the name implies. I guess you could say just 5 electrons if you're talking about elemental phosphorous but here's an example below, generally speaking phosphorus needs to be bonded to something, how many non bonding electrons would be in this compound below? |dw:1443463842447:dw|
@jaytheGreat in that figure phosphorus has 2 non bonding electrons. let's work this out
Without the actual identity of the molecule, you cannot say how many non-bonding (or bonding) electrons there are - it just doesnt make sense.
Thank you @Photon336