Which halogen is radioactive?
A) astatine
B) polonium
C) iodine
D) tellurium
E) bismuth
Correct Answer:
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Q36: Which of the following is NOT a
Q37: A phosphorus-31 atom has _ protons, _
Q38: Which element forms an ionic compound with
Q39: What is the symbol for magnesium?
A)M
B)Mg
C)Mn
D)Mo
E)Md
Q40: Which of the following statements is FALSE?
A)The
Q42: What is the charge on the titanium
Q43: Zinc oxide, a combination of zinc and
Q45: What is the charge on the iron
Q46: Silicon is best described as a _
A)metalloid.
B)metal.
C)transition
Q46: In what ratio will alkaline earth metals
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