Question 31
Question 31 of 40
Question image for Q31
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
1. Atomic structure
1.1. Particles in the atom and atom...

determine the numbers of protons, neutrons and electrons present in both atoms and ions given atomic or proton number, mass or nucleon number and charge

1. Atomic structure
1.3. Electrons, energy levels and a...

describe the number of orbitals making up s, p and d sub-shells, and the number of electrons that can fill s, p and d sub-shells