U-235 captures a neutron and splits into Ba-144 and Kr-89. How many neutrons are freed?
A3
B1
C4
D2
Answer & Solution
Correct answer: A. 3
Mass number 236 must equal 144 + 89 + n, so 3 neutrons are released.
Related questions
The Sun is about 5 × 10⁹ years old. Its hydrogen should last about how much longer?What is the main challenge in controlled thermonuclear fusion?Controlled fusion reactors aim to heat fuel to about what temperature?What will the Sun become after its core hydrogen is exhausted?At about 10⁸ K, a star's core fuses helium nuclei into what?How much energy is released when four hydrogen atoms fuse into helium?The net result of the Sun's proton-proton cycle is four hydrogen forming what?Fusion driven by raising the temperature is called what?