States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![100
2 g g
80
60
40
www
20
% of base peak
4900
100
80
60
40
20
% of base peak
30
be
40
40
5330
43
80
J
80
M*** 103
120
160
V (cm¹)
2008/0
120
m/e
200
TODO
160
Mass Spectrum
C4H₂NO₂
280
Mass Spectrum
240
M** = 145 (<1%)
200
240
21
C6H1004
280
No significant UV
absorption above 220 nm
Probleen
No significant UV
absorption above 220 nm
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