The element uranium (U, atomic no. = 92) often has 146 (or more) neutrons but it will still undergo radioactive decay. Which statement might best describe why?
A) The attractive force of the nucleons has a limited range.
B) The isolated neutron is not stable and will undergo spontaneous transformation into a proton and an electron.
C) The force is strong with U, but tainted with the dark side it is.
D) both A and B
E) none of the above
Answer: D
You might also like to view...
Silicon (Si) is used for night-vision infrared optics. Si is transparent to infrared radiation because the energy gap of Si is 1.1 eV. What is the longest wavelength photon that has sufficient energy to excite a valence electron across the energy gap?
What will be an ideal response?
How many elements make up the majority of Earth's continental crust?
What will be an ideal response?
The current in a coil increases from 2.0 A to 12. A in 50. ms. Calculate the voltage induced in the coil if its self-inductance is 0.120 H
What will be an ideal response?
Areas near a cold ocean or other cold body of water often experience a 'sea breeze' during the late morning, particularly on warm, sunny days. The process of energy transfer most directly associated with the development of the sea breeze is
1.conduction. 2.convection. 3.radiation. 4.none of these.