Chemical Bonding
The Mole
Chemical Reactions
Nomenclature
Snyder Trivia
100
List an element that will lose 1 electron to form a 1+ ion.
Li, Na, K, Rb, Cs, Fr
100
What is the percent composition of oxygen in H2O?
~89%
100
Write the following word AND balanced formula equation:
Solid sodium reacts with oxygen gas to produce solid sodium oxide.
sodium (s) + oxygen (g) --> sodium oxide (s)
2Na (s) + O2 (g) --> 2Na2O (s)
100
chromium (III) bromide
CrBr3
100
What year did Mr. Snyder graduate RV?
2017
200
What is the difference between ionic and covalent bonds? List definitions and properties of each.
Ionic Bond- formed between metal and nonmetal, high melting point, high conductivity
Covalent Bond- formed between nonmetals, low melting point, low conductivity
200
How many moles are in 117 g of Mg(OH)2?
2.01 mols
200
Classify the following equation in 2 ways:
Al(OH)3 (s) + H2SO4 (aq) --> Al2(SO4)3 (aq) + H2O (l)
Acid/Base & Double Replacement
200
K2CO3
potassium carbonate
200
Where is Mr. Snyder traveling to this summer?
The BEACH
300
Draw the Lewis Structure for the nitrite ion: NO21-
300
If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87ºC, how many moles of gas do I have?
1.26 moles
300
A students recovers 28 g of product when the theoretical yield is 40 g. What is the percent yield?
70%
300
N2O5
dinitrogen pentoxide
300
Where did Mr. Snyder recently get his masters from?
TCNJ
400
What are the 5 intermolecular forces?
London dispersion, Dipole-Dipole, Hydrogen bonding, Ion-dipole, Ionic bonding
400
Iron reacts with oxygen to form a compound that is 72.36% Fe and 27.64% O by mass. What is its empirical formula?
Fe3O4
400
Balance the following equation:
(NH4)3PO4 + Pb(NO3)4 --> Pb3(PO4)4 + NH4NO3
4(NH4)3PO4 + 3Pb(NO3)4 --> Pb3(PO4)4 + 12NH4NO3
400
CuCl
copper (I) chloride
400
Who was Mr. Snyder's chemistry teacher in high school?
Mrs. Gangel
500
What are the 5 basic molecular geometries? List the bonding:nonbonding ratios & bond angles for each.
Linear- 1:0, 2:0, 180º
Trigonal Planar- 3:0, 120º
Bent- 2:1 (<120º) or 2:2 (~105º)
Tetrahedral- 4:0, 109.5º
Trigonal Pyramid- 3:1 (~107º)
500
How much water must be added to 500 mL of 0.200 M HCl to produce a 0.150 M solution?
167 mL of water
500
Mg(OH)2 + 2HCl --> MgCl2 + 2H2O
If 2.5 g of Mg(OH)2 reacts with 750 mL of a 5.0 M HCl, how much MgCl2 is produced in grams?
4.1 grams
500
lead (IV) chromate
Pb(CrO4)2
500
What was Mr. Snyder's job in college?
Campus Tour Guide