Question 9
Question 9 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
3.1. Formulae

Define the empirical formula of a compound as the simplest whole number ratio of the different atoms or ions in a compound

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

Define relative molecular mass, \( M_r \), as the sum of the relative atomic masses. Relative formula mass, \( M_r \), will be used for ionic compounds