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When looking at binary compounds that are made up of only nonmetals that are also called molecular compounds
you have to name them in the proper way and you also have two write the formula
in a certain way so the rule is the first element listed is always the one that's further left and the periodic table except if it's hydrogen so for
example between carbon and flooring carbon this for a left so the carbon is written first
and if you have two elements from the same group like sulfur and oxygen in the lower almond is the one that threatened first
and when hydrogen
is and a compound hydrogen will always be less to accept limits paired up with something from group 16 were group 17 so for example
nitrogen and hydrogen to hydrogen is written last
but oxygen is from group 16 so the hydrogen comes first
when she know the order of these binary compounds that makes things to name them and
we're going to use prefixes mono diatribe tetreault and so on
to tell how many of each element we have
so in this compound that and carbon and florine we have one carbon and for floorings
the prefix for one is a Mano but you always drop the mono when it's the first element lifted so instead of calling this motto carbon
we're just going to call this carbon and then for is that prefix tetra
and we change the ending of florine to an Ide so this change is too
chloride so the chemical CF 4 is carbon tetrachloride
is so two
one sulfur so we dropped the model again because the first won this would be sulfur
two is die and oxygen changes to dioxide
CO 2 would be carbon
dioxide
and CO
with the carbon monoxide
and it sounds better to drop one of the OS instead of saying mono oxide
you to say monoxide
the chemical and if 31 nitrogen and three floorings would be nitrogen tried fluoride
and two sulfur Ziff
when the first element is not
a one there's not one atoms more than one than we do have to say how many we have so this should be dyes sulfur
and notice the soul for ending doesn't change and IB it's only the second element that changes attending
Ten Breaux means the prefix for 10 as Decca
and bromine will change to
bromide
here's a chemical between sodium and
hydrogen
know technically this is not a molecular compound the weakening that with the same sort of system this is sodium first
and hydrogen changes too high dried the reason that we don't include the mono is this is an ionic compound so we're gonna see this
layer on how we name ionic ones by does wanted to give it as an example where hydrogen came second
in the formula
in each three
is given a common name ammonia so this doesn't follow the system the system would say a nitrogen try hydride
the common name is ammonia just like water is a common name
for each 20