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Chemistry Study Guide
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particles
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charge |
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proton |
charge = +1 |
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electron |
charge = -1 |
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neutron |
charge = 0 |
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Change in the number of particles particles charge type of particle |
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protons = electrons |
net charge = 0 |
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protons > electrons (Loss of an electron) |
net charge = + |
ION |
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protons < electrons (Gain of an electron) |
net charge = - |
ION |
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Change in number of neutrons |
net charge = 0 Atomic weight changes |
ISOTOPE |
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Change in the number of protons |
THE NUMBER OF PROTONS NEVER CHANGE |
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Differences between compounds and mixtures
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compounds |
mixtures |
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properties of atoms |
properties change |
properties unchanged |
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separate substances |
cannot be easily separated |
can be separated by physical means |
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homogenous or heterogeneous |
does not apply |
can be either homogenous or heterogenous |
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