Question 20
Question 20 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
10. Group 2
10.1. Similarities and trends in th...

describe, and write equations for, the thermal decomposition of the nitrates and carbonates, to include the trend in thermal stabilities

1. Atomic structure
1.4. Ionisation energy

identify and explain the trends in ionisation energies across a period and down a group of the Periodic Table