An up quark (u) has a charge of +2/3 and a down quark (has a charge of —1/3. Which of the following describes a neutron?
A. uuu
B. uud
C. udd
D. ddd
Answer:C
An up quark (u) has a charge of +2/3 and a down quark (has a charge of —1/3. Which of the following describes a neutron?
A. uuu B. uud C. udd D. ddd