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 world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
"To begin the pull-back exercise, grasp wrists, then lean back and balance."
Sodium’s chief role is regulation of fluid balance
Energy Balance Is Achieved When Energy (Calories) In Equals Energy (Calories) Out
Acid–Base Balance
Acid–Base Balance