The sub-atomic particles located in the nucleus of an atom are?
A
neutron and proton
B
proton and electron
C
proton and ions
D
neutron and electron
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
The nucleus contains two types of subatomic particles, protons and neutrons.
The protons have a positive electrical charge and the neutrons have no electrical charge.
A third type of subatomic particle, electrons, move around the nucleus.
Source: WAEC / JAMB / NECO Classroom Archive (Record #64900)