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POST TEST PROJECT SOAR
Quiz by SHELDON DALA
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- Q1
Which set of quantum numbers uniquely defines one of the electrons in an atomic orbital with n = 2 and l = 0?
n = 2, l = 0,ml = 1, ms = +½
n = 2, l = 0,ml = 0, ms = +1
n = 2, l = 0,ml = 1, ms = +1
n= 2, l = 0, ml = 0, ms = +½
30s - Q2
The following compounds are commonly found in nature or in our households. Which do you think will have the highest melting/boiling point if we are to subject those substances to heating?
dihydrogen monoxide(water)
oxygen gas
sucrose(sugar)
Sodiumchloride (NaCl)
30s - Q3
What happens to the electron of a metal element in ionic bonding forming a compound?
shared unequally with non-metal
none of the choices
transferred to non-metal
shared to a non-metal
30s - Q4
What atom is most likely to form as an inorganic compound when it is bonded with a Carbon atom?
hydrogen atom
oxygen atom
Sodium atoms
Carbon atom
30s - Q5
Which of the following compounds is classified as organic compounds?
CBr4
C3H8
CO2
CaCO3
30s - Q6
All of these are found in every household. Which of the following household products does not belong to the group?
Milk of Magnesia – Mg(OH)2
table salt- NaCl
table sugar – C6H12O6
bleach– NaClO
30s - Q7
Below are formulas of organic compounds, which of the following is/are condensed structural formulas?
I and III
I only
II and IV
II only
30s - Q8
The following are examples of covalent compounds, which molecule is equivalent to 1mole?
II only
III and IV
I only
I and II
30s - Q9
The world is experiencing a pandemic situation because of COVID-19. It is advised that one should boost his or her immune system. Taking ascorbic acid(C6H8O6) or commonly known as vitamin C daily will help you boost your immune system. This vitamin is usually given in a 500mg (0.5 g) tablet. If you take one tablet per day for 15 days, how many molecules of ascorbic acids will you have?
2.56x 1022 molecules C6H8O6
2.56 x 1023 molecules C6H8O6
2.56x 1024 molecules C6H8O6
2.56x 1021 molecules C6H8O6
30s - Q10
Ferrous sulfate or iron (II) sulfate is a supplement prescribed to persons who have iron-deficiency anemia. It has a chemical formula of FeSO4.Determine the percentage of iron in this compound with a molar mass of 152g/mol.
56%
42%
37%
21%
30s