How was the value of G first determined?
a. by Cavendish, using a torsion balance
b. by Etvs, using a torsion balance
c. via a gedanken experiment
d. by Newton, watching an apple fall
e. none of the above
Question 2
If heavier elements are more stable when they have more neutrons, what happens to the heaviest elements?
a. They have very large nuclei to sustain the number of neutrons needed for stability.
b. Above a certain atomic mass, there are no stable elements.
c. For high enough atomic mass, there is no longer a rule to determine which nuclei are stable.
d. The curve reverses and the nuclei of the heaviest elements are more even matches of protons and neutrons.
e. The curve reverses completely and the nuclei of the heaviest elements are stable with many more protons than neutrons.
The Calvin Cycle Was Determined by Isotope Labelling Methods
Maintaining Physiological Balance
Daily Water Balance in the Body
Calcium balance.
Acid–Base Balance
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