Question 30
The Standard Model of Physics recognizes ____ elementary particles that make up all matter which are merely combinations of these subatomic elementary particles.
Editorial review: state the particle-counting convention and compare the supplied choices.
Original choices:
A. 15
B. 20
C. 25
D. 30
E. 35
Editorial review: state the particle-counting convention and compare the supplied choices.
Original choices:
A. 15
B. 20
C. 25
D. 30
E. 35