Which of the following is not a correct name-symbol combination?
A) magnesium,Mg
B) nickel,Ni
C) phosphorus,P
D) krypton,Kr
E) potassium,Co
Correct Answer:
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Q11: The element whose symbol is Sn is
A)
Q12: A(n)_ is a pure substance that is
Q13: Which one of the following substances is
Q14: Which one of the following substances is
Q15: Which one of the following is most
Q17: What is the correct symbol for potassium?
A)
Q18: What is the symbol for the element
Q19: Which of the following is a heterogeneous
Q20: What is the name of the element
Q21: Which of following would be classified as
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