400 B.C.
Analogy of the atomic model during 400 B.C.
What are Legos?
The Atomic model included the four elements
What is Fire, Water, Earth, and Air?
The analogy of the model in 1897
What is a cookie?
The Atomic model included planets around our sun
What is the Solar system?
The analogy of the model during the 20th century
What is a cotton ball?
Pros to the Atomic Model during 400 B.C.
Was believed to be invisible?
Cons to the Atomic Model during 300 B.C.
Was made of the four elements?
True/Or False: The atomic cloud theory was invented during this time
This is false?
Cons to the Atomic Model during 1913
What isn't entirely comprised of an electron cloud?
In the electron cloud, electrons move around the nucleus at a certain amount of time
What is billions of times in one second?
Were small, hard particals that were all made of the same material but different shapes and sizes
What are atoms?
The analogy of the grave stone said the following
What was "Death to the field of Chemistry for 2000 years!"?
Pros to the Atomic Model during 1897
What contains electrons?
Bohr also theorized that electrons move in a specific orbit around the nucleus
What is definite?
Today, electrons do not orbit the nucleus but do the following
What is moving at high speeds in an electron cloud?
Cons to the Atomic Model during 400 B.C.
Was believed to be small and hard particles?
Aristotle believed that matter had just four properties
What is Hot, Cold, Dry, and Wet?
Scientist that created an atomic theory in 1897
Who is J.J. Thomson?
Pros to the Atomic Model during 1913
What included the idea of electrons outside the nucleus?
Pros to the Atomic Model during 20th century that revolutionized Atomic model during the time.
What is the electron cloud theory?
Democritus believed that the smallest piece of matter was invisible and he named it
What is an Atomos?
Pros to the Atomic Model during 300 B.C.
What redeemed the idea of Atoms for those 2000 years?
Cons to the Atomic Model during 1897
Does not include Neutrons?
Name of the Danish scientist that proposed an improvement on the atomic level in 1913
Who is Neils Bohr?
Cons to the Atomic Model during the 20th century
Why cotton ball have no nucleus?