The first ionisation energies of four successive elements in the Periodic Table are shown. Which element has atoms with a full outer shell of electrons?
A.
element P
B.
element Q
C.
element R
D.
element S
Exam No：wch11-01-que-20240111 Year：2024 Question No：1(a)
Answer:
B
Knowledge points:
2.Atomic Structure and the Periodic Table
Solution:
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