Periodic Table
Bonding
Chemical Reactions
Chemical Quantities
Gas Laws
100
The elements in groups 3-12 on the periodic table are called ____.
Transition Metals
100
Name the following molecule:
PF5
phosphorus pentafluoride
100
What type of reaction is this:
Fe + O2 --> Fe2O3
Synthesis
100
What is the molar mass of Na2SO4?
141.8 grams/mole
100
If I increase the temperature of a gas the pressure of the gas will _____.
Increase
200
Elements to the left of the staircase are ____.
Metals
200
write the formula for the following covalent compound:
silicon tetra bromide
SiBr4
200
The ending substances of a chemical reaction are called...
Products
200
What is the percent composition of O in CO3?
79.9%
200
If I decrease the volume of a gas then the pressure of the gas will _____.
Increase
300
A positive ion is formed by ______ electrons and are called ______.
Losing, Cations
300
Write the formula for the following ionic compound:
sodium oxide
Na2O
300
Determine the number of atoms of each element in:
4Al2(CO3)3
Al=8 C=12 O=36
300
How many atoms are in 6.755 moles of Pb?
4.068x1024 atoms of Pb
300
A volleyball contains gas at a temperature of 333 K has a volume of 12.5 liters. What will the temperature of the gas be if the volume is decreased to 7.0 L?
186.48 K
400
The Nitrogen atom has ____ valence electrons, and forms a ____ charge.
5, -3
400
Draw the Lewis Dot Structure for CCl4
400
Balance the equation:
Ag + HCl --> AgCl + H2
2,2,2,1
400
How many grams are in 6.50 moles of Cu?
413 g Cu
400
A sample of argon gas has a temperature of 402 K and a pressure of 6.8 atm. What will the temperature be if the pressure is decreased to 2.5 atm?
147.8 K
500
Which of the following has the largest atomic radius:
Pb, Ge, C
Pb
500
Determine the molecular geometry of the following molecule:
Bent
500
Balance the Equation:
Pb(NO3)2 + KI --> KNO3 + PbI2
1, 2, 2, 1
500
How many grams are in 8.42x1021 atoms of NaBr?
1.44 g NaBr
500
The gas in a large balloon has a volume of 1.35 liters and a pressure of 1.75 atm. What will the pressure be if the volume is increased to 3.15 liters?
0.75 atm