Question 22
Question 22 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
2. Atoms, elements and co...
2.2. Atomic structure and the Perio...

Determine the electronic configuration of elements and their ions with proton number 1 to 20, e.g. 2,8,3

8. The Periodic Table
8.1. Arrangement of elements

Describe the Periodic Table as an arrangement of elements in periods and groups and in order of increasing proton number/atomic number