4-1: Introduction to Atoms. How did the atomic theory develop and change into the modern model of the atom?. Anticipatory Set. Here come the atoms!. video. California Standards.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
How did the atomic theory develop and change into the modern model of the atom?
Here come the atoms!
that could not be
broken into smaller
J.J. Thompson found that
atoms contain negatively
particles later became known as electrons.
Thomson suggested that atoms had negatively charged electrons embedded in a positive sphere.
positive charge (proton) +
in an atom is clustered in
the center (nucleus).
According to Rutherford’s model, an atom was mostly empty space.
move in specific orbits
around the nucleus
of an atom.
related to its energy level, or
the specific amount of energy
levelsare likely to be found in