What is cementite in material science?

iron carbide

anhydrite cement

filler used in dentistry

heat-resistant alloy of iron and nickel

Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe3C. By weight, it is 6.67% carbon and 93.3% iron. It has an orthorhombic crystal structure.

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Answers by country

Australia

50%

30%

20%

Germany

48%

21%

Greece

44%

27%

Poland

31%

17%

18%

32%

1163

the United States

27%

11%

28%

32%

the United Kingdom

23%

34%

13%

28%

Nigeria

23%

28%

16%

30%

Pakistan

21%

26%

15%

36%

Austria

20%

10%

30%

40%

India

14%

33%

26%

24%

149

What is the name of this butterfly species?

Goldhair moth

Neopalpa donaldtrumpi

Unsightly butterfly

Huskhead neopalda

Where is The Encyclopaedia Britannica produced?

Who was the first to create a zoo and botanical garden for scientific study?

What compares the Pearl index?

methods of contraception

frequency of sexual relations

number of fertile days in women

percentage of underage mothers