19. How many to make it neutral:
a. 6 electrons
b. 13 protons
c. 82 electrons
d. 17 protons
20.Neutral or not:
a. No
b. No
c. Yes
d. No
21.Anion, cation, or neutral:
a. Anion
b. Neutral
c. Neutral
d. Cation
e. Cation
22.Gaining or losing electrons:
a. Gaining electrons
b. Neither
c. Neither
d. Losing electrons
e. Losing electrons
23.Symbol and Charge:
a. H
b. Na+
c. Cl-
d. Al3+
24.Ionic compounds:
a. KI; potassium iodine.
b. CaS; calcium sulfide.
c. Fe3+(Br-); iron(II) bromide.
d. Ba2+(OH-)2; barium hydroxide.
e. (NH4+)3 PO43-; sodium phosphate.
f. Al3+(O2-); aluminum oxide.
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