Which of these substances is a compound?
A) Co
B) NI3
C) Fe
D) CCl4
E) both NI3 and CCl4
Correct Answer:
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Q3: Q4: Which of these elements is a metal? Q7: Which of the following is an example Q9: Which of the following is not an Q10: The symbol for the element copper is Q10: Which of these substances is an element? Q12: Which of these elements is a nonmetal? Q17: Which of the following statements regarding elements Q19: Which of the following does not apply Q20: Which of the following is not an![]()
A)Ca
B)N
C)Ne
D)C
E)O
A)C
B)CO
C)N2
A)Na
B)Mg
C)Cu
D)K
E)Cl
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