Evolution of the Atom 8.3 D Relate the impact of research on scientific thought and society, including the history of science and contributions of scientists.

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Development of the Atomic Theory

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Evolution of the Atom 8.3 D Relate the impact of research on scientific thought and society, including the history of science and contributions of scientists as related to the content.

Atomos – Greek word for “cannot be cut” or “indivisible”. Destiny Chavez Evolution of the Atomic Model 1st August 10, 2016 Describe how the atom model has progressed through time. Atomos – Greek word for “cannot be cut” or “indivisible”. Atoms are the smallest piece of matter that cannot be commonly broken down. Form questions in this column; A question should be able to be formed from the chunks.

•Matter is made from atoms that can be combined. Destiny Chavez Evolution of the Atomic Model 1st August 10, 2016 Describe how the atom model has progressed through time. Dalton – Thought all matter was made of particles shaped like simple solid spheres. •Matter is made from atoms that can be combined. •Atoms of the same element are exactly the same. •Atoms of different elements are different. •Atoms of different elements can be combined to form new substances Form questions in this column; A question should be able to be formed from the chunks.

Thomson – discovered electrons and added them to the solid sphere. Destiny Chavez Evolution of the Atomic Model 1st August 10, 2016 Describe how the atom model has progressed through time. Thomson – discovered electrons and added them to the solid sphere. Form questions in this column; A question should be able to be formed from the chunks.

Destiny Chavez Evolution of the Atomic Model 1st August 10, 2016 Describe how the atom model has progressed through time. Rutherford – discovered empty space and the positively charges nucleus in the center. Form questions in this column; A question should be able to be formed from the chunks.

Destiny Chavez Evolution of the Atomic Model 1st August 2, 2016 Describe how the atom model has progressed through time. Bohr – concluded that the electrons are orbiting around the nucleus in different energy levels and called them shells. Form questions in this column; A question should be able to be formed from the chunks.

Destiny Chavez Evolution of the Atomic Model 1st August 2, 2016 Describe how the atom model has progressed through time. Electron Cloud Model – most recent model, the electrons are moving around the nucleus in an area called the electron cloud. Form questions in this column; A question should be able to be formed from the chunks.