Calculations
Periodic Trend
Electron Configuration
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100

What is the energy of a 7.66 x 10^14 Hz wave?

5.07 x 10^-19 J

100
What is the trend of atomic radius across a period?
The atomic radius gets smaller
100
What is the electron configuration of silicon?
1s^2 2s^2 2p^6 3s^2 3p^2
100
What is the speed at which light travels at?
3.00*10^8 m/s
100
True/False:

You can determine the exact location of an electron using the quantum model

False
200

What is the frequency of a 1.31 x 10^-22 Joules wave?

1.98 x 10^11 s-1

200
What is the trend of atomic radius down a group?
The atomic radius gets bigger down a group. 
200
What is the noble gas configuration (shortcut method) of cobalt?

[Ar]  4s^2 3d^7

200
Which element has the bigger atomic radius?

Potassium or Cesium

Cesium
200
What is the relationship between energy and wavelength?
They are inversely proportional 
300

What is the frequency of a 6.9 x 10-13 m wave?

ν = c/λ =  4.35 x 10^20 s-1

300
What is the trend of electronegativity on the periodic table?
It generally gets bigger across a period and smaller down a group. 
300

What is wrong with this electron configuration

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 4d^10 4p^5 

The 4d orbital should be 3d instead
300

Which element has the higher ionization energy?

Potassium or Cesium?

Potassium
300
How many types of orbitals does the d sublevel have?
5
400

What is the wavelength of a red light with a frequency of 4.283 x 10^14 s-1?

700nm

400
What is the trend of ionization energy across a period and down a group?
Gets bigger across a period and smaller down a group.
400

What element is this electron configuration

[Kr] 5s^2 4d^10 5p^3  

Antimony, Sb
400

What do electrons release as they move from a high energy level to a low energy level, and in the form of what?

Electrons release energy in the form of light
400
An element with the ending 3d^5 can be found in which group on the periodic table?
Group 7
500

What is the energy of a red light with a wavelength of 700 nm?

E= 2.84*10^-19 Joules
500
Explain the atomic radius trend across a period and down a group
The atomic radius gets smaller across a period because of the increasing attraction of the protons in the nucleus. The atomic radius gets bigger down a group because of the additional orbitals. 
500

What is the element with this electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^1 

Rubidium, Rb
500
What is the definition of ionization energy?
The amount of energy to remove an electron
500
Name the element in group 17 with the highest electronegativity
Fluorine
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