A sodium ion has 11 protons, 12 neutrons, and 10 electrons.
Which of the following is true?
Answer options with 5 options
A.
Sodium's atomic mass is 33 atomic mass units.
B.
Sodium's atomic number is 21.
C.
Sodium has a net negative charge.
D.
Sodium has a net positive charge.
E.
Sodium has gained a neutron.