p.51 #19 - 24
19.
a. carbon: 6 protons 6 electrons
b. aluminum: 13 protons 13 electrons
c. lead: 82 protons 82 electrons
d. chlorine: 17 protons 17 electrons
20.
a. not neutral
b. not neutral
c. electrically neutral
d. not neutral
21.
a. anion
b. neutral
c. neutral
d. cation
e. cation
22.
a. gaining
b. neither
c. neither
d. losing
e. losing
23.
a. H
b. Na+
c. Cl−
d. Al+3
24.
a. KI
b. CaS
c. FeBr3
d. Ba(OH)2
e. NH(3)PO
f. Al2O3
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