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

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

In 1.3 each atom or ion described will be in the ground state. Only the elements hydrogen to krypton will be assessed.

deduce the nature, possible position in the Periodic Table and identity of unknown elements from given information about physical and chemical properties