Moles
What is a mole?
The mass of substance containing the same number of units in 12.000 grams of Carbon-12.
How are formula units different from ions?
Ions are the basic units that make up formula units
What is the difference between molecules and compounds?
Molecules are composed of the same element.
Compounds are made of different elements.
What are atoms made of?
Protons, neutrons, and electrons
Complete the joke!
"I think I lost an electron"
"You sure?"
"????????"
"Yeah, I'm positive!"
Which scientist discovered the mole?
Amedeo Avogadro
How many ions are present in MgCl2?
3 ions
How many molecules are in H2O?
How many atoms are in 55 grams of Iron?
5.9 x 1023 atoms
What is the show cesium and iodine love watching together?
CSI
How many moles are in 125 g of H2SO4?
1.27 moles
How many formula units are in 1.25 moles of KBr
7.53 x 1023 formula units
What are the three types of bonds that can be found in molecules?
Ionic, Covalent, Metallic
True/False: The number of atoms will not change in a balanced chemical equation.
True
Why was the mole of oxygen so happy when he walked out of the bar?
He got Avogadro's number!
How many moles are in 4.9 x 1023 molecules of ZnCl2?
0.817 mol
How many formula units are in 6.82 x 10-6 mol of PB(NO3)2
4.11 x 1018 formula units
How many molecules are in 74 grams of KI?
2.6 x 1023 molecules
How many total atoms are in the following equation? 2Fe2O3 + 3C -> 4Fe + 3CO2
Fe - 8
O - 12
C - 6
What do you do with a sick chemist?
If you can't helium or curium, you'll have to barium.
If you have 7.46 x 1023 molecules of KNO3, how many moles do you hav
1.24 moles
How many formula units are in 0.025 mol of Na2CO3
1.5 x 1022 formula units
How many molecules are in 4.99 moles of CH4?
3.00 x 1024
How many atoms are in the following equation?2Na3PO4 + 3MgCl2 -> 6NaCl + Mg3(PO4)2
Na - 12
P - 4
O - 16
Mg - 6
Cl - 12
Fe
Fe Fe
Fe Fe
Fe
*Imagine that is a circle*
What is the pun?
Ferrous Wheel