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PRINCIPLES OF CHEMISTRY, STATES OF MATTER, SUBSTANCES, ISOTOPES - Coggle…
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STATES OF MATTER
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LIQUID
Parcticles are touching, but can move around each other
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solid to liquid: melting
liquid to solid: freezing
liquid to gas: evaporating
gas to liquid: condesing
solid to gas: sublimation
gas to solid: deposition
SUBSTANCES
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COMPOUNDS
A substance that contains atoms of two or more different elements, chemically joined together.
ELEMENTS
a pure substance consisting of only one type of atom, each having the same number of protons
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ISOTOPES
they share nearly the same chemical properties, as they have the same number of electrons
They do have different mass, so they have different physical properties
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variations of the same element, with different numbers of neutrons
same atomic number, but different mass numbers