A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)
A) compound.
B) mixture.
C) element.
D) isotope.
Correct Answer:
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Q9: Which square(s) contain(s) only one or more
Q10: Which square(s) contain(s) only an element?
Q11: Which substance is an element?
A)NO2
B)NaCl
C)N2
D)CH4
Q12: The quantity 8.7 × 105 g expressed
Q13: Which symbols represent only elements that are
Q15: Which diagram(s) best represent(s) only diatomic molecules?
Q16: Which squares contain mixtures? Q17: Which differentiates a compound from a mixture Q18: Which of the following is the chemical Q19: Which is not a mixture?
A)A jar filled
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