If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains?
A) nitrogen-12
B) carbon-12
C) neon-18
D) carbon-14
Answer: B
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Fundamental Forces: How does the range of an exchange force depend on the mass of the exchange particle?
A. The range is longer for a massive exchange particle than for a light exchange particle. B. The range is shorter for a massive exchange particle than for a light exchange particle. C. The range does not depend on the mass of the exchange particle.
The side of a cube is decreased by 6%. The percentage decrease of the volume of the cube is
A. 6%. B. 9%. C. 12%. D. 17%.
When a capacitor has a charge of magnitude 80 ?C on each plate the potential difference across the plates is 16 V. How much energy is stored in this capacitor when the potential difference across its plates is 42 V?
A. 1.0 mJ B. 4.4 mJ C. 3.2 mJ D. 1.4 mJ E. 1.7 mJ
According to current theory, the proton is made of smaller particles known as
A) electrons. B) neutrons. C) mesons. D) quarks. E) neutrinos.