Table:
0
A
B
C
D
E
1
element
group
period
reaction
potential
2
Gold
11
6
Au 3+ + 3e − → Au
1.56 V
3
Platinum
10
6
Pt 2+ + 2e − → Pt
1.18 V
4
Iridium
9
6
Ir 3+ + 3e − → Ir
1.156 V
5
Palladium
10
5
Pd 2+ + 2e − → Pd
0.987 V
6
Osmium
8
6
OsO 4 + 8 H + + 8e − → Os + 4 H 2 O
0.838 V
7
Silver
11
5
Ag + + e − → Ag
0.7996 V
8
Mercury
12
6
Hg 2+ 2 + 2e − → 2 Hg
0.7973 V
9
Polonium
16
6
Po 2+ + 2e − → Po
0.65 V
10
Rhodium
9
5
Rh 2+ + 2e − → Rh
0.600 V
11
Ruthenium
8
5
Ru 2+ + 2e − → Ru
0.455 V
12
Copper
11
4
Cu 2+ + 2e − → Cu
0.337 V
13
Bismuth
15
6
Bi 3+ + 3e − → Bi
0.308 V
14
Technetium
7
5
TcO 2 + 4 H + + 4e − → Tc + 2 H 2 O
0.272 V
15
Rhenium
7
6
ReO 2 + 4 H + + 4e − → Re + 2 H 2 O
0.259 V
16
Antimony
15
5
Sb 2 O 3 + 6 H + + 6e − → 2 Sb + 3 H 2 O
0.152 V

Questions and formulas:
Question: Which potential's period 5 is 4 and has an element of antimony?
Formula: LET(query1,LET(query1,FILTER(A1:E1,A1="antimony"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)=5))
Formula2: LET(query1,LET(query1,FILTER(A2:E16,A2:A16="antimony"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)=5))
Level: hard
Question: Which lowest period's element is ruthenium?
Formula: MINIFS(C1,A1,"ruthenium")
Formula2: MINIFS(C2:C16,A2:A16,"ruthenium")
Level: easy
Question: Which highest period's element is platinum?
Formula: MAXIFS(C1,A1,"platinum")
Formula2: MAXIFS(C2:C16,A2:A16,"platinum")
Level: easy