Examlex
Calculate the packing efficiency of a face-centered cubic crystal structure.Show your work.
Political Opposition
Groups or parties that contest the current government's policies and often seek to gain power through elections.
Toussaint Louverture
A leader of the Haitian independence movement during the French Revolution, who played a crucial role in the world's successful slave revolt leading to Haiti's independence.
Slave Rebellion
An act of revolt or insurrection by slaves against their owners or the oppressive system of slavery.
Virginia Slave Rebellion
An insurrectionary attempt by enslaved African Americans to gain freedom, with one of the most notable being led by Nat Turner in 1831.
Q1: What is the oxidation number of chromium
Q39: Which is the correct formula for pentaamminecyanocobaltate(III)chloride?<br>A)[Co(NH<sub>3</sub>)<sub>5</sub>CN]Cl<sub>2</sub><br>B)[Co(NH<sub>3</sub>)<sub>5</sub>CN]Cl<sub>3</sub><br>C)[Co(NH<sub>3</sub>)<sub>5</sub>Cl](CN)<sub>2</sub><br>D)[Co(NH<sub>3</sub>)<sub>5</sub>CNO]Cl<sub>2</sub><br>E)[Co(NH<sub>3</sub>)<sub>5</sub>CNO]Cl<sub>3</sub>
Q54: If a face-centered cubic unit cell
Q70: What is the condensed chemical formula for
Q72: If the unit cell of copper has
Q83: As an analog of graphite,a material composed
Q90: In an XRD analysis using a
Q99: Write a balanced chemical equation using skeleton
Q154: Which of the following is
Q163: Malt is needed to produce good beer.Beer