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Química 1 y 2 (Water properties (Molecular polarity (Uneven distribution…
Química 1 y 2
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Matter
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Separation methods
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Sublimation
When a solid can go to a gas without being liquid, you collect the gas of the substance that could.
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Destilation
Different boiling points, you evaporate one of them.
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States
Liquid
Less intermolecular forces, no shape, yes volume, more energy, less dense
Gas
Low intermolecular forces, no shape nor volume, less less dense, more energy
Solid
Really strong intermolecular forces, shape and volume, denser than liquid, low energy
Plasma
Positive and negative charges, a lot more energy
Bose Einsten Condensate
Super atom,almost none energy, almost at absolut 0
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Atomic theory
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Neutrons (no charge, relative mass 1) Protons (+ charge, relative mass 1) Electrons (- charge, no mass)
Monoatomic, Diatomic, Poliatomic
Isotopes (same element, different mass atoms)
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Periodic trends
Ionization (left low - energy, right up + energy)
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Types of compounds
Covalent
-melting and boiling points,+flammability, soluble non polar (benzene), polar soluble in water, non electrolytes
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Metallic
Shine, conductors electricity and heat, malleable, cations
Ionic
(+1.7) M+nM +melutng and boiling points, - flammability, soluble in polar (h2o), dissolved good conductors electricity
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Colligative Properties
Depend on the number of dissolved particles, not on the identity
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