Who does the worst Yoda impression?
Yousuf
Neil
Ming
Dr Matthews
Complete the following definition of the first ionisation energy:
The energy required to one from each atom in of to form of .
How many p-orbitals make up one p-subshell?
1
2
3
4
5
Complete the following definition of relative atomic mass:
The average mass of an atom of an relative to of the mass of a atom.
The first ionisation energy of boron is higher than the first ionisation energy of beryllium.
Complete the following processes that occur during mass spectrometry in the correct order:
Vaporisation Recording
Fill in the blanks:
To 2 decimal places, Avogadro's constant is × .
The y-axis of a mass spectrum is the percentage abundance of an isotope. The x-axis is mass/ ratio.
What is room temperature and pressure?
20 degrees Celsius, 101 kPa
25 degrees Celsius, 101 kPa
25 degrees Celsius, 100 kPa
20 degrees Celsius, 100 kPa
What are "standard conditions"?
298 K, 100 kPa
293 K, 100 kPa
298 K, 101 kPa
293 K, 101 kPa
Fill in the blanks to complete the Ideal Gas Equation:
p = R
In the Ideal Gas Equation, what is volume measured in?
dm^3
m^3
cm^3
litres (because Dr Matthews says that dm^3 aren't proper units)
A C-Cl bond is polar.
Fill in the blank:
The strength of London forces is primarily determined by the number of .
The bond angle of the Cl-P-Cl bond in PCl_3 is degrees.
What is the oxidation number of sulfur in Na₂S₄O₆?
+2.5
+3.5
+2
+4
+3
-2.5
-3
-4
-3.5
Sort the period 3 non-metals (silicon, phosphorus, sulfur, chlorine, argon) in order of increasing boiling points:
, , , ,
What colour flame do strontium ions make when burned?
Brick red
Crimson red
Apple green
A homogeneous catalyst is used in the contact process.
Hydrogen bonding only occurs when which atoms are bonded to hydrogen? Write them below in order of decreasing strength of the hydrogen bond (FULL words, not symbols):
, ,
