Ionic bonds involve
A. electrostatic interactions between anions and cations.
B. the sharing of electrons between two atoms of the same element.
C. the release of protons by negatively charged particles.
D. the attraction between water and salts.
Answer: A
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A particular atom has 16 protons, 17 neutrons, and 16 electrons. The atomic mass of this atom is:
a. 49 b. 32 c. 33 d. 16
Which of the following is involved in the gradation of muscle contraction?
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The zona glomerulosa of the adrenal cortex secretes
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