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15 Matching Annotations
- Sep 2023
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chem.libretexts.org chem.libretexts.org
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A
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Pr
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(b)
the inside is nucleus the outside is electrons
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(a)
the center is nucleus, the outside is electrons
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in a “pudding” of positive charge.
so positive on the inside negative around the outside of the atom
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most of the mass and the positive charge of an atom are located in its nucleus
so electrons surround the atom making the shape and size. The nucleus just makes up the inside.
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Protons and neutrons are concentrated in a central region
so protons and neutrons are more alike then electrons?
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alpha particles,
made up of two protons and two neutrons
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electron
negative and smaller mass
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neutron
neutral no electrical charge and the same mass as the proton
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proton
positive and bigger mass
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Subatomic
Proton = + electric charge and bigger mass Electron = - electric charge and smaller mass
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atoms to be indivisible.
which they are
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