Unit 3 Exam

Aufbau Principle

100

What is wrong with the Electron Configuration below....

1s²2s²2p⁶3s³

What is to many electrons in the 3s orbital

200

Shorthand electron configuration for a sodium ion Na⁺

What is [He]2s²2p⁶

300

Longhand configuration for Aluminum

What is 1s²2s²2p⁶3s²3p¹

400

Shorthand configuration for Barium

What is [Xe]6s²

500

Shorthand configuration for Pb⁴⁺

What is [Kr]4f¹⁴5d¹⁰

Electromagnetic spectrum

100

The variables for frequency and wavelength

What is V and lambda

200

c and h are both constants which are

What is the speed of light and planks constant

300

Given Frequency 5.5 x 10¹⁴ , wavelength is

What is 5.45 x 10^-7m

400

Given frequency 4.2 x 10¹⁴, Energy in joules is

What is 2.78 x 10^-19J

500

Given wave length 714 nm, energy in joules is 

What is 2.78 x 10^-19J

Lewis dot

100

Each dot stands for

What is one valence electron

200

The direction moved to place electrons around element

What is counterclockwise

300

Lewis dot for phosphorus

What is 

400

Lewis dot for Rn

What is

500

Lewis dot for Ca

What is 

Ions

100

Electron count in Fe²⁺

What is 24 electrons

200

Electrons gained or lost in Cr⁴⁺

What is lost 4

300

Electrons in Na^3-

What is 14 electrons

400

Electrons in Mn⁸⁺

What 17 electrons

500

Electrons gained or lost in Xe^5-

What is gained 5 electrons

Scientists

100

Coined the term "atomos"

Who is Democritus

200

Proposed the "plum pudding" model proving electrons existed

Who is J.J. Thomson

300

Bohr proposed electrons are placed in

What is specific energy orbitals

400

Discovered Isotopes, which led to more accurate mass calculation

Who is James Chadwick

500

Heisenberg revolutionized the atomic model with what principle

What is the Uncertainty Principle