Models
Discovered Electrons
Thompsons model/plum pudding model
A change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of the fluid
Pascal Principle
How many valence electrons does Phosphorus(P) have?
5
How many groups are there?
18
Discovered shells
Borh's Model
The buoyant force of an object in a fluid is an upward force equal to the weight of the fluid the object displaces
Archimedes Principle
How many valence electrons does Germanium(Ge) have?
4
How can you find the atomic number on an element?
The number of protons in an atom
Discovered Orbitals
Modern Model
Fluid pressure decreases as speed increases
Bernoulli's Principle
How many valence electrons does Barium(Ba) have?
2
Where can you find Halogens on the periodic table?
Group 17
Discovered the nucleus
Rutherford's Model
The volume of a gas increases as the pressure decreases
Boyle's Law
How many valence electrons does Bromine(Br) have?
7
What element has a lack in most properties?
Non-Metals
What was Thompson working with when he discovered more about atoms?
Electricity
The temperature of a gas increase as the pressure increase
Gay-Lussac's Law
How many valence electrons does Xenon(Xe) have?
What elements are very reactive and never found uncombined in nature?
Alkaline Earth Metal