5.
Which statement accurately describes the atoms of a specific element?
A zinc‚ Zn‚ atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.
A scandium‚ Sc‚ atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.
An indium‚ In‚ atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus
.
An aluminum‚ Al‚ atom contains 27 electrons and 27 protons inside the nucleus.