1. Which of the following statements is FALSE?
(A) Halogens are very reactive elements.
(B) The alkali metals are fairly unreactive.
(C) Sulfur is a main group element.
(D) Noble gases do not usually form ions.
(E) Zn is a transition metal.
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統計: A(3), B(19), C(2), D(1), E(0) #2911519
統計: A(3), B(19), C(2), D(1), E(0) #2911519