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
10%
15%
5%
69%
39
flagMalaysia
15%
15%
7%
61%
13
flagthe United Kingdom
20%
20%
13%
45%
44
flagGermany
22%
17%
17%
43%
76
flagGreece
14%
7%
35%
42%
14
flagPoland
26%
16%
17%
38%
1870
flagthe United States
18%
30%
13%
36%
111
flagthe Philippines
15%
30%
15%
30%
20
flagIndia
31%
26%
11%
29%
262
flagPakistan
40%
11%
22%
25%
27
flagNigeria
33%
22%
22%
22%
18
flagAustria
43%
18%
18%
18%
16