Its solid state chapter from class 12 summarised in this notes and you can easily learn them cause I made them easier for students so there won't be a problem with understanding anything if there is any query about notes please inform so I will simply sort that out
what is matter matter is anything that occupies space and has mass is
known as matter so if we talk about matter then matter can exist in
various different forms" "i am in love with chemistry and with this pure
thought" it can be in gaseous state there are other states as well there
are n number of other states but in our syllabus we are going to only
discuss about three these three main states okay yes. i hope all of you
are excited if you want to write it you can write it and then we 'll move
forward okay. "to a word which is amorphous solid then for a eraser
eraser always and always a picture should emerge in your mind and that is
for a eraser." "there are a lot of differences between them on the basis
of the arrangement on the. basis of their. melting point and boiling
points on the based of their isotropicity. arrangement would be something
very ordered beautifully arranged."
Crystalline solids are diamond and diamond requires a lot of time. This
means that the arrangement also is very beautiful, very ordered, and very
systematic. Your crystalline solid has a ordered arrangement or you could
say long range order. I'll just make you explain the difference now.
Right yes because many people are working on that particular part. In
crystalline solid the arrangement is ordered the particles are at equal
distance from each other at all the ranges. But for amorphous solid
somewhere particles are very closer to each other. This means that it has
the same arrangement closer but it does not have the exactly same
arrangement if you see after 10,000 particles. The closer the order, the
arrangement, the melting point will be high. See if I talk about the
crystalline solid I can say that the arrangement is exactly ordered right
every interaction is exactly same right if I think of a temperature then
the forces of interactions strength will also be same. At one particular
temperature all the interactions will melt at the same time right they
will not need variation of temperatures.
If you go from here to this side, you'll see that you will not bump into
any children because the order is arranged and you are moving in a line
where no student is standing. But if you go from here to my dear
students, then you will bump into many children you'll bump into children
you will have to leave them aside and then you'll have to go this way.
Most of the students who take the answer for the crystalline solid is
isotropic, but no it is anisotropic because it is ordered. That is the
reason it is giving different values. Okay, yes so I hope you're clear
with this. Write it down and then we'll move forward. Amorphous solids
are also known as pseudosolids or super cooled liquids. Crystalline solid
is not a fluid it does not have a tendency to flow. Liquid and gas are
known as fluids and not solid because liquid and gas have the tendency of
flow.
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