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What was the first chemical element to be artificially produced?

promethium

actinium

technetium

plutonium

Many of technetium's properties were predicted by Dmitri Mendeleev, who left a gap in his periodic table before the element was discovered. It was finally discovered by Emilio Segrè and Carlo Perrier in 1937 and named after the Greek word τεχνητός, meaning "artificial", since it was the first element to be artificially produced.

Ninjai

2

Brookhaven National Laboratory. wikipedia → Technetium

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Ghana

8%

8%

69%

8%

23

the Netherlands

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20%

58%

12%

24

France

14%

21%

57%

7%

14

Austria

12%

7%

53%

25%

63

Australia

8%

11%

45%

35%

60

Poland

12%

21%

42%

22%

2907

Germany

8%

16%

41%

33%

373

Greece

0%

25%

41%

33%

12

Canada

8%

17%

39%

34%

23

Pakistan

18%

11%

37%

30%

43

Vietnam

18%

27%

36%

18%

11

Italy

9%

27%

36%

27%

11

Singapore

21%

7%

35%

35%

14

India

16%

22%

34%

23%

462

the Philippines

15%

28%

34%

18%

38

the United States

14%

20%

33%

29%

213

the United Kingdom

14%

24%

31%

29%

109

Malaysia

15%

10%

31%

36%

19

Switzerland

17%

13%

30%

39%

23

Nigeria

11%

27%

23%

35%

95

What makes depleted uranium a good material for making ammunition?

extreme hardness

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Which of the following countries doesn't have its "own" element?

What carnivorous plant is that?

common bladderwort

Attenborough's pitcher plant