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Structure of an atom
Electron
Neutrons
Protons
Relative mass of particles
Atomic number
Mass number
Atomic number and mass number
The periodic table has no charge
Hydrogen
Isotopes
Electron shells
Electron shells and 2, 8, 8
Ions
Valency
Relative atomic mass and relative formula mass
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Mammoth Chemistry
Reference Periodic Table
Electrons
Electrons
(electronic robots) are negatively charged.
The
electronic robots
(electrons) are negative and have a negative charge.
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