Electrons

Light

100

Hz, /s, or s^-1 is the unit for what variable?

frequency

200

What is the wavelength of green light with a frequency of 3.20 x 10¹⁵ Hz?   

9.38 x 10^-8 m

300

What is the frequency of an ultraviolet wave whose wavelength is 7.50 x 10^{-4 meters}?  

4.00 x 10¹¹ Hz

400

What is the energy of a photon whose frequency is 4.30 x 10¹⁶ Hz?  

2.85 x 10^-17 J

500

List the electromagnetic spectrum in order from lowest frequency to highest frequency.

radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, gamma rays

Sublevels

100

Which sublevel has the most energy: 3s, 4s, 3p, 3s

4s

200

Write the noble gas abbreviation for gold

[Xe]6s²4f¹⁴5d⁹

300

Out of the following orbitals, which is closest to the nucleus and the lowest energy?

4s, 1s, 2p, 3d

1s

400

Which type of sublevels are present in energy level 4?

s, p, d, f

500

How many electrons can each sublevel hold?

s-2, p-6, d-10, f-14

Orbital Rules

100

How many electrons can each orbital hold? #13

2

200

What is wrong with this electron configuration?

1s² 2s² 2p⁶ 3s¹ 3p⁶ 

The 3s is lower energy and should be filled before the 3p, which is higher energy: the Aufbau principle

300

How many valence electrons does an alkaline earth metal have?

2

400

What is wrong with this configuration?

1s² 2s² 3s² 3p_x² 3p_y¹

1 electron must be placed in each orbital on a sublevel before any orbital can have 2 electrons.

Hund's Rule

500

Which family on the periodic table has 8 electrons in its highest energy level?

noble gases, (VIIIA or 18)

Electron Configuration

100

Write the electron configuration for calcium.

1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

200

What is the noble gas abbreviation for Chlorine?

[Ne] 3s² 3p⁵

300

What is the full configuration of potassium ion?

1s² 2s² 2p⁶ 3s² 3p⁶

400

What is the full configuration for Kr?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

500

What is the abbreviated electron configuration for thallium, #81 

[Xe] 6s² 5d¹⁰ 4f¹⁴6p¹

Random

100

What element is represented: 

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

copper

200

What is the relationship between frequency and wavelength?

inverse

300

When an electron gains energy and moves up an energy level, it is ______________

Excited

400

When excited electrons fall back to the ground state, they release energy and produce a _____________

bright line spectrum or distinct color

500

What is the speed of light?

3.00 x 10⁸ m/s