Which of the following metals is the most reactive?

sodium
potassium
rubidium
cesium
Caesium or cesium is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal . Is most reactive of all metals.
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Answers by country

sodium
potassium
rubidium
cesium
answers
flagAustralia
8%
15%
4%
71%
46
flagMalaysia
15%
15%
7%
61%
13
flagthe United Kingdom
18%
18%
12%
50%
48
flagGreece
13%
6%
33%
46%
15
flagGermany
22%
16%
18%
43%
99
flagPoland
27%
16%
17%
38%
2134
flagthe United States
20%
31%
12%
34%
124
flagPakistan
42%
9%
18%
30%
33
flagthe Philippines
15%
30%
15%
30%
20
flagNigeria
30%
20%
20%
30%
20
flagIndia
33%
25%
11%
28%
287
flagAustria
33%
14%
23%
28%
21