A pure substance composed of two or more different elements is a(n) ________.
A) ion
B) heterogeneous mixture
C) chemical compound
D) solid
E) solution
Correct Answer:
Verified
Q3: A hypothesis is a _.
A) concise statement
Q4: Which one of the following statements is
Q5: An electrically charged atom or group of
Q6: A number of the heaviest elements on
Q7: What is the correct symbol for silver?
A)
Q9: Which of the following is not a
Q10: Which of the following terms best describes
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
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