A nucleus of sodium-24 (1124Na^{24}_{11}\text{Na}1124Na) undergoes β−\beta^-β− decay to form a nucleus of magnesium-24 (1224Mg^{24}_{12}\text{Mg}1224Mg).
What is the ratio of the specific charge of the magnesium-24 nucleus to the specific charge of the sodium-24 nucleus?
0.9170.9170.917
1.091.091.09
0.9090.9090.909
2.182.182.18