4. An atom is stable when it has the same number of:
*
1 point
A. Protons and Electrons
B. Protons and Neutrons
C. Neutrons and Electrons
5. An atom becomes unstable when it gaines or loses:
*
1 point
protons
neutrons
electrons
C. Neutrons and Electrons
5. An atom becomes unstable when it gains or loses:
*
1 point
electrons