A substance with specific properties that cannot be broken down or converted into another substance is called a(n)
A) compound.
B) mixture.
C) element.
D) ion.
E) molecule.
Correct Answer:
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Q3: The atomic number of an atom is
Q4: If a certain atom has a tendency
Q5: Carbon- 14 is often used for carbon
Q6: The formation of sodium chloride (NaCl) is
Q7: Most biological molecules are joined by
A) ionic
Q9: Free radicals are considered dangerous because they
A)
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Q11: Atoms or molecules that have gained or
Q12: The formation of ions involves the
A) gain
Q13: Imagine that you have been hired as
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