Two properties of element $$\(R\)$$ are listed. Where on the Periodic Table is R placed?
A.
Group I
B.
Group VII
C.
Group VIII
D.
transition elements
Exam No：0620_w24_qp_12 Year：2024 Question No：29
Answer:
B
Knowledge points:
8.3.1.1. increasing density
8.3.1.2. decreasing reactivity
8.3.2.1. chlorine, a pale yellow-green gas
8.3.2.2. bromine, a red-brown liquid
8.3.2.3. iodine, a grey-black solid
8.3.3. Describe and explain the displacement reactions of halogens with other halide ions
8.3.4. Predict the properties of other elements in Group VII, given information about the elements
Solution:
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