Br has an atomic mass of 78.918336 u, and 
Kr has an atomic mass of 78.920084 u. Which is the correct decay process (or the likeliest if more than one is possible)?
A. 
B. 
C. 
D. 
E. 
B.
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What do we mean by the spin of a subatomic particle?
A) It is one of the basic properties of any particle and is a measure of the particle's angular momentum. B) It describes how fast the particle is rotating on its axis at a given time; if more torque is applied, the particle spins faster. C) It is a measure of the particle's electrical charge. D) The spin of a particle describes how the story of the particle is portrayed to journalists.
A star system where we observe the magnitude to increase and decrease is a(n) ________
Fill in the blank(s) with correct word
Shown following are five different colors of visible light that travel to Earth from the Sun. Rank these colors of visible light from left to right based on the altitude in the atmosphere where they are completely absorbed, from highest to lowest (Earth’s surface). If two (or more) of the choices reach the surface, rank them as equal by dragging one on top of the other(s).
A particle is moving at 0.86c. By what magnitude percentage is the Newtonian expression for momentum in error? (The percentage error is the difference between the erroneous and correct expressions, relative the correct one)
A) 49% B) 40% C) 55% D) 62%