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science unit 1 study guide
lesson 1 - lesson 3
11 cards·by huskeylover6789
What are nanowhiskers made of?
Carbon and silver
What does nanowhiskers have to do with an atom?
It is 10 times wider than the diameter of an atom
who and when came up with the idea about the atom?
Greek Philosopher Democrats, 430 bce
What did Thomson's model identify?
It identified that parts of the atoms are even smaller that Dalton realized.
Whose model said that an atom would look like a scoop of ice cream?
Thomson´s model
Rutherford did what experiment to show how particles of atoms should react?
Gold Foil Experiment
who identified the center of an atom as the nucleus?
Rutherford
how did Bohr's model revise the atomic model?
Bohr made his model to look like the orbiting planets
What does the cloud model say about the orbit of the electrons around the nucleus?
It says that the electrons moving more rapidly in all directions around the atom's nucleus.
What are the different particles of an atom and where whould they be found in? What is the charge
of each part?
neutrons - 0 protons- +1 electrons - -1
which particle is the lightest? How much?
electrons - 1840