Atomic History
EM radiation
Calculations
The PT
In the Lab
100
JJ Thomson's atomic model was called this
What is the plum pudding model
100
These are the waves with the longest wavelength.
What are radio waves.
100
This is planck's constant
What is 6.626x10^-34 J*s
100
This guy is the father of the modern day periodic table
Who is Dimitri Mendeleev
100
A common use of metal ions and their distinctive colored light
What is fireworks!
200
This is the greek word for "indivisible"
What is atoms
200
As wavelength gets shorter, wavelength gets _________.
What is higher or more frequent.
200
The units for calculating frequency
What is Hertz.
200
Rows are called _________ and the columns are called _________ on the PT.
What are periods and groups.
200
When a solution with phenolphthalein turns pink, it indicates...
What is an alkaline (basic) solution.
300
During his gold foil experiments, he determined the nucleus was very small and positively charged
Who is Ernest Rutherford
300
Visible light falls between ____nm and ____nm
What is 400 and 750.
300
The energy of a wave with a frequency of 7.66x10^14 Hz.
What is 5.07x10^-19 J.
300
The most unreactive/stable group on the periodic table
What is group 18, the noble gases
300
Metal ions exhibit characteristic colors of light because
What is their excited electrons return to their stable state and release their energy as light/photons
400
His atomic model was the first to organize electrons into orbitals
Who is Neils Bohr
400
What is the order (longest to shortest wavelength) of the EM spectrum?
What is Radio, micro, infrared, visible, ultraviolet, x-rays, gamma rays.
400
The wavelength of a wave with a frequency of 3.76x10^14 Hz
What is 7.98x10^-7 m.
400
The most reactive groups on the periodic table are the ____ and the _____.
What are group 1 (alkali metals) and group 17 (the halogens)
400
Put the group 1 metals that you tested in order of least reactive to most reactive...
What is Li, Na, and K
500
You can either know the position or the speed of an electron, but not both. What principle is this?
What is Schroedinger's Uncertainty Principle.
500
This is the speed that radiation travels through space (all radiation travels at the same speed in the vacuum of space).
What is 3.0x10^8 m/s
500
The energy of a wave with a wavelength 6.9x10^-13m.
What is 2.88x10^-13
500
Name two trends that occur when you move down a group on the periodic table
What is increasing reactivity, increasing atomic radius, increasing density, decreasing melting point, decreasing ionization energy.
500
This is the energy required to pull an electron out of an atom's outer/valance shell.
What is ionization energy.
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