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. Sulfur: no
b. Iron: no
c. Silver: yesd
d. Iodine: no
21.
a. an ion
b. electrically neutral
c. electrically neutral
d. cation
e. cation
22.
a. losing electrons
b. neither
c. neither
d. gaining electrons
e. gaining electrons
23.
a. H
b. Na+
c. Cl-
d. Al+
24.
a. KI -potassium iodine
b. CaS -calcium sulfur
c. FeBr - iron bromine
d. BaOH - barium oxygen hydrogen
e. NHPO - nitrogen hydrogen phosphorous oxygen
f. AlO - aluminum oxygen
No comments:
Post a Comment