Question 10
Question 10 of 40
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Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
3. Stoichiometry
3.3. The mole and the Avogadro cons...

Use the molar gas volume, taken as 24 dm^3 at room temperature and pressure, r.t.p., in calculations involving gases

3. Stoichiometry
3.2. Relative masses of atoms and m...

Describe relative atomic mass, \( A_r \), as the average mass of the isotopes of an element compared to 1/12th of the mass of an atom of \( ^{12}C \)