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ATOMS - Coggle Diagram
ATOMS
Atoms Bonds
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Ionic Bonding bonding occurs when two opposite-ly charged atoms attreact each other and bend together.
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Characterizing the Atom
We know about a hundred different elements, and each one is identified using a different symbol.
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All elements have isotopes in relative abundances.
Each element usually has one isotope which is much more abundant than the rest.
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Atomic Models
The evolution of the atomic theory can be seen by changes over time in the representation of atoms or atomic models.
Ever since Dalton's work, the scientific community has learned more and more about the atom from experimentation and atomic theory has thus evolved.
Electrons
The nucleus is the central part of the atom and is formed of nucleons: protons and neutrons.
The nucleus comprises 99.9% of the atom's total mass, has a positive net charge, and its radius is in the region of 10-15 m.
Despite containing particles with the same charge, the nucleus is held together by the nuclear strong force which attracts neutrons and protons to each other.
Ions
lons are atoms that carry a positive or negative net charge because
they have gained or lost electrons.
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According to Dalton's theory, matter is composed of atoms, particles that cannot be subdivided and which have minute size and mass.
Atoms are represented as mostly empty spheres of approximately m in diameter, containing a nucleus and an electron cloud around it.