Answer
a) Strontium
b) Zirconium
c) Carbon
d) Arsenic
e) Iodine
f) Magnesium
g) Krypton
h) Sulfur
i) Germanium or Arsenic
Work Step by Step
From the periodic table:
a) 2A, period 5: Sr - Strontium
b) 4B, period 5: Zr - Zirconium
c) 4A, period 2: C - Carbon
d) 5A, period 4: As - Arsenic
e) 7A, period 5: I - Iodine
f) 2A, period 3: Mg - Magnesium
g) 8A, period 4: Kr - Krypton
h) 6A, period 3, nonmetal: S - Sulfur
i) Metalloid, period 4: Ge - Germanium or As - Arsenic
