Question

23.
W hal RIIU
24
What are ions? Write the symbol of sodium ion and chlorine ion?
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Answer 1

Answer:

24) The valance of each element is indicated as a superscript on the symbol of the element with a + sign for anions and a − sign for cations. Thus, the symbol of the sodium ion is Na+ and that for the chlorine ion is Cl−.

Answer 2

An ion is a particle, atom or molecule with a net electrical charge. The charge of the electron is considered negative by convention. The negative charge of an ion is equal and opposite to charged proton considered positive by convention

the symbol of the sodium ion is Na+ and that for the chlorine ion is Cl−