Question 1
Question 1 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
1. Atomic structure
1.2. Isotopes

state that and explain why isotopes of the same element have the same chemical properties

1. Atomic structure
1.1. Particles in the atom and atom...

describe the behaviour of beams of protons, neutrons and electrons moving at the same velocity in an electric field