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Title: Development of atoms notes
Description: Great notes for 'the development of atoms.' These notes will ensure you know all there is on this topic, in a quick and efficient way.

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Rutherford atomic model, also called nuclear atom or planetary
model of the atom, description of the structure
of atoms proposed (1911) by the New Zealand-born physicist
Ernest Rutherford
...


Ernest Rutherford used
experimental evidence to show
that an atom must contain a
central nucleus
...

A stylized representation of a lithium atom illustrates Niels
Bohr's atomic model, that an atom is a small, positively
charged nucleus surrounded by orbiting electrons
...
The chemical element bohrium (Bh), No
...


Thomson discovered electrons and it was proved that atoms were
made up of protons, electrons and neutrons
...
Since the atom was neutral,
Thomson suggested that the negatively charged electron equalled
the positively charged proton and neutrons had no charge
...
It has
positively charged particles The positively charged particles is
surrounded by the negatively charged electrons
...


Democritus first suggested the existence of the atom but it took almost
two millennia before the atom was placed on a solid foothold as a
fundamental chemical object by John Dalton (1766-1844)
...

Dalton's Atomic Theory
1) All matter is made of atoms
...

2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different
kinds of atoms
...



Title: Development of atoms notes
Description: Great notes for 'the development of atoms.' These notes will ensure you know all there is on this topic, in a quick and efficient way.