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.

Dnn87 wikipedia → Caesium

chemical elementschemistrymetals

Metals quiz Chemical elements quiz Chemistry quiz

You will play as

Answers by country

Switzerland

12%

76%

Australia

10%

14%

65%

Republic of Ireland

25%

62%

Greece

16%

27%

50%

the United Kingdom

17%

20%

15%

45%

110

Malaysia

15%

30%

10%

45%

Singapore

18%

45%

Austria

27%

14%

42%

Germany

29%

14%

15%

40%

328

Poland

26%

15%

17%

39%

3147

the United States

25%

21%

16%

35%

206

Ghana

27%

33%

the Netherlands

16%

33%

Canada

39%

17%

13%

30%

Vietnam

20%

50%

30%

Pakistan

40%

22%

29%

India

33%

25%

12%

28%

411

the Philippines

21%

25%

21%

Nigeria

40%

24%

16%

18%

What is the name of the most radioactive isotope on the planet?

Which chemical element forms compounds which are typically intensely colored?

Which of the following is not a chemical element?

What gemstone is this?