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4. An atom is stable when it has the same number of:

*
1 point
Protons and Electrons
Protons and Neutrons
Neutrons and Electrons
5. An atom becomes unstable when it gaines or loses:
*
1 point
protons
neutrons
electrons

1 answer

  1. An atom is stable when it has the same number of:
    Protons and Electrons

  2. An atom becomes unstable when it gains or loses:
    neutrons

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