Which of the following is a radioactive semimetal?
A) At
B) B
C) Ge
D) Si
E) none of the above
Correct Answer:
Verified
Q45: Which of the following is a noble
Q46: Which of the following is a radioactive
Q47: Which of the following elements are fifth
Q48: Which of the following is an alkali
Q49: Which of the following is a halogen?
A)Cl
B)F
C)I
D)all
Q51: Which of the following is an alkali
Q52: Which of the following is a radioactive
Q53: Which of the following is a radioactive
Q54: Which of the following is an alkali
Q55: Which of the following elements are sixth
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