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He was a greek philosopher, suggested that all matter was formed of different types of tiny discrete particles and that the properties of these particles also determined the properties of matter. -
The solar system model was first created by Heraclids -
he was a Greek Philosopher, reality is divided into two sections the eternal, real, and perfect ideal of what should be, and the phenomena of what exists in the physical world as we perceive it. -
He was a funding royal society also a Irish philosopher the volume of a gas decreases with increasing pressure and the famous Boyle's law. A leading scientist and intellectual of his day, he was a great proponent of the experimental method. -
Alchemists developed practical knowledge about matter as well as sophisticated theories about its hidden nature and transformations. They started in 1700 -
He was a english metrologist and chemist a pioneer in a developments of modern atomic theory -
He determined that oxygen was a key substance in combustion and he gave the element its name -
A russian chemist he also created the periodic table -
He discovered formulated a wave equation that accurately calculated the energy levels of electrons in atoms. -
He discovered the eletron, In 1897 Thomson discovered the electron and then went on to propose a model for the structure of the atom. His work also led to the invention of the mass spectrograph. -
He was an american physicist the famous oil drop experiment -
He discovered the atom also discovered alpha and beta rays -
He won noble prize, also German and a physicist -
He was a Danish physicist who is genially regarded as one of the foremost physicist -
The frequency of x ray radiation has a precise mathematics relationship to an elements atomic number -
He proves the existance of neutrons -
They found the existance of the element radium and polonium -
The electrons were embedded in a uniform sphere of positive charge, like blueberries stuck into a muffin created by JJ Thomson -
Erwin Schrödinger and Werner Heisenberg developed the electron cloud model in 1926. The model is a tool for visualizing the most likely electron positions in an atom -
He discovered formulated a type of quantum mechanics based on matrices. In 1927 he proposed the uncertainty relation setting limits for how precisely the position and velocity of a particle can be simultaneously determined