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all metals are composed of mercury and sulfer -
everything is made of atoms -
ideal geometric forms serve as atoms -
substances cannot be broken down without becoming something else. -
oxygen is the key substance in combustion. -
all matter is composed of atoms indivisible and indestructible building blocks. -
- Made by John Dalton
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created the first periodic table of elements -
all atoms contain tiny negatively charged subatomic particles -
rays are not dependent on the uranium's form, but on its atomic structure. -
-made by jj thompson
-explained electrons and nuetrons -
any liquid is made of atoms -
atoms have a central positively charged nucleus with negatively charged electrons -
the theory of atomic structure in which the hydrogen atom is assumed to consist of a proton as the nucleus. -
-made by Neils Bohr
-represents the different parts of the atom -
each successive element has a nuclear charge exactly one unit greater than its predecessor. -
-made by Erwin Schrödinger
-showed that electrons travel in waves -
developed the electron cloud model -
electricity is conveyed by a miniscule unit, the electron -
discovered the neutron in atoms