Chemistry deals with
A) the composition of and changes to substances that make up living as well as non-living matter.
B) the composition of and changes to substances found in organisms only.
C) the composition of and changes to substances that make up non-living matter only.
D) the location of organs in body cavities.
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Q9: Positron emission tomography (PET)imaging follows the emission of
A)positrons.
B)electrons.
C)neutrons.
D)protons.
Q10: Which of the following groups of elements
Q11: Which of the following isotopes has the
Q12: In a covalent bond
A)one atom loses and
Q13: The atomic number of an atom equals
Q15: When K⁺ and Cl⁻ meet, they will
A)repel
Q16: In an ionic bond
A)each atom gains electrons.
B)atoms share
Q17: Which of the following substances is an
Q18: The isotope most likely to be used
Q19: A computerized tomography (CT)scan differs from a conventional
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