Q: Q: An electron in an atom is completely described by four of what? Choices: - photosynthesis numbers - decay numbers - prime bumbers - quantum numbers A:
A: quantum numbers

Q: Q: What happens to the mass number during a nuclear decay process by positron emission? Choices: - it rises - it decreases - it increases - remains unchanged A:
A: remains unchanged

Q: Q: Objects moving at different speeds, in different directions have different what? Choices: - protons - vibrations - electrons - velocities A:
A: velocities

Q: Q: The plasma membrane of a skeletal muscle fiber is called the what? Choices: - sheath - annulata - soleus - sarcolemma A:
A: sarcolemma