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AP® Physics 1 & 2

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Net Charge on Sodium Ion

APPH12-9XKFY2

A sodium ion has 11 protons, 11 neutrons, and 10 electrons.

Which equation below shows the correct way to calculate the net charge of this sodium ion?

A

$(+21) (1.6 \times { 10 }^{ -19 } \space C)$

B

$(+11) (1.6 \times { 10 }^{ -19 } \space C)$

C

$(+1) (1.6 \times { 10 }^{ -19 } \space C)$

D

$(-10) (1.6 \times { 10 }^{ -19 } \space C)$