The first ionisation energies of four successive elements in the Periodic Table are shown. Which element could be Y in an ionic compound with the formula $$\(\mathrm{YF}_{2}\)$$ ?
A.
element \(P\)
B.
element Q
C.
element R
D.
element S
Exam No：wch11-01-que-20240111 Year：2024 Question No：1(c)
Answer:
D
Knowledge points:
3.Bonding and Structure
Solution:
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