Periodic Table
Bonding
Chemistry Math
Stoichiometry and Chemical Reactions
Electronic Structure
100
According to the periodic table symbol, how many protons does Chlorine have?
17
100
What type of bond is formed by the transfer of electrons?
Ionic
100
How many significant figures are there in the measurement 0.00789 L?
3
100
What type of reaction involves the exchange of protons or hydrogen ions?
Acid-base reaction
100
How many electrons are in an S-subshell?
2
200
According to the nuclide symbol, how many neutrons does Magnesium have?
12
200
Is the below molecule polar?
No
200
Convert 10km to mm.
10,000,000mm
200
A chemical reaction that absorbs energy is ______.
Endothermic
200
What is the Lewis dot structure for O2-?
300
What charge would Bromine have as an ion?
-1
300
How many pi bonds are in this molecule?
2
300
Express 345,000 in scientific notation.
3.45 x 105
300
Balance the following equation:
C3H8 + O2 → CO2 + H2O
C3H8 + 5O2 → 3CO2 + 4H2O
300
What color of visible light has the longest wavelength?
Red
400
_____ is an alkali metal in the same period as Krypton.
Potassium, K
400
Which type of orbital has lower energy, bonding or antibonding?
Bonding
400
Prepare a 10 L working solution of 1.0 M HCl using a stock of concentration 20M HCl. How much stock should you use?
0.5 L
400
How many moles of NaCl are there in 12g of NaCl?
0.21 mol
400
What is the noble gas configuration of an atom with 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2
[Kr] 5s2
500
Which element has a greater ionization energy, Oxygen or Phosphorus?
Oxygen, O
500
What is the hybridization of the central S atom below?
sp2
500
If the specific heat of water is 4.18 J/(gC), what is the heat absorbed by 10g of water to raise its temperature by 5 degrees Celsius?
209 J
500
What products (include state symbols and balance) would be produced in the following reaction?
SrCl2 (aq) + Na2CO3 (aq) -->
SrCO3 (s) + 2NaCl (aq)
500
According to the VSEPR model, what is the molecular geometry of the below molecule?
Seesaw