Unit 1
Unit 2
Unit 3
Calculations
Random Knowledge
100
Define Ionization Energy.
The amount of energy required to remove an electron.
100
Predict the products (chemical formula) of:
iron (III) + nickel (II) chlorate -->
Fe(ClO3)3 + Ni
100
What is the study of stoichiometry?
Stoichiometry is the branch of chemistry that allows us to associate realistic numbers with chemical quantities.
100
What is the molar mass of hydosulfuric acid?
H2S --> 34.09 g/mol
100
How much is a ream of paper?
500 sheets.
200
Define Effective Nuclear Charge (Zeff).
The attraction between the positive nucleus and the negative outer electrons.
200
Predict the products (chemical formulas) for: magnesium chloride + ammonium phosphate --> ?
Mg3(PO4)2 + NH4Cl
200
How many molecules of H2O are in one mole of H2O?
6.022 X 1023 molecules
200
Rubidium has two common isotopes, Rb-85 and Rb-87. If the abundance of Rb-85 is 72.2% and the abundance of Rb-87 is 27.8%, what is the average atomic mass of rubidium? Consider significant figures.
86 amu
200
What is ornithology?
The study of birds.
300
What is the electron configuration for palladium?
1s22s22p63s23p64s23d104p65s24d8
300
What are the products and states of an incomplete combustion reaction?
gaseous carbon dioxide, gaseous carbon monoxide, gaseous water and solid carbon
300
What is the molar mass of Al(OH)3? Round to one significant figure.
78.01 --> 80 amu
300
What is the molar mass of chlorous acid?
HClO2 --> 68.46 g/mol
300
If you mix all colours of LIGHT, do you get black, white or a rainbow?
White.
400
What is the correct name for H3PO2 (aq)?
hypophosphorous acid
400
Which of the following are solid products: (NH4)3PO4, AgBr, NH4OH, Mg(OH)2, Ca(OH)2?
AgBr, Mg(OH)2
400
How many nitrogen atoms are in 2.5 moles of nitrogen gas?
3.0 x 1024 nitrogen atoms
400
The half-life of chromium-51 is 28 days. If the original sample contains 510 grams, how much chromium would remain after 56 days?
127.5 g --> 130 g
400
What survives impacting Earth's surface: a meteorite, a meteor, or an asteroid?
Meteorite.
500
Choose a team member to draw nonanoic acid.
image correct.
500
Which of the following would have a net ionic reaction:
a) NaCl + AgNO3 -->
b) HClO3 + KOH --->
c) NH4OH + H2S -->
d) Na2CO3 + NiCl2 -->
all of the above
500
What is the mass of in 25.3 litres of water?
20.4 grams
500
How many atoms of hydrogen (in water) are produced if 2 grams of liquid methane are completely burned (combustion)? Consider significant figures.
3 X 1024 atoms of hydrogen
500
Name THREE NHL teams whose team name contains 3 consonants in a row. For example, the Toronto Maple Leafs, the Maple Leafs is their team name.
Chicago BlaCKHaWKS, San Jose ShaRKS, Florida PaNTHers, Vancouver CanuCKS