E is an element from Group I of the Periodic Table. Two properties of E are listed. - It has a higher melting point than caesium. - It has a lower density than sodium. What is the identity of $$\(E\)$$ ?
A.
lithium
B.
potassium
C.
rubidium
D.
francium
Exam No：0620_s25_qp_11 Year：2025 Question No：22
Answer:
A
Knowledge points:
8.1.5. Explain how the position of an element in the Periodic Table can be used to predict its properties
Solution:
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