Atoms
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N1teR1der
Last updated 8 years ago
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Atoms
Atoms make up molecules in the universe.Atom->(Greek translation) Something that cannot be split
Atoms consists of protons, neutrons and electrons. Protons-> Large with positive electric chargesNeutrons-> Large with no electrical chargeElectrons-> Small with negative electric charges
Electrons: Circle around the nucleus in random circles.
Nucleus: Consists of protons and neutrons
Atomic structure of silicon. 3 electron shells.Number of electrons in each shell (arranged from inner shell to outer shell). In this case, 1st shell-> 2 electrons2nd shell-> 8 electrons3rd shell-> 4 electrons
Return to Molecules
Atoms are neutral(number of protons are equal to electrons, positive charges cancel out negative charges).Atoms can be said to be stable.
Isotopes
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