Which of the following is not a chemical element?
neon
methane
chlorine
nitrogen
Neon, chlorine and nitrogen are chemical elements. Methane is a chemical compound, the simplest alkane and the main component of natural gas.
reach: rather globalchemical elementschemistrygases
Answers by country
neon
methane
chlorine
nitrogen
answers

14

51

23

17

15

13897

71

42

78

36

32

16

221

214

563

62

487

20

50

22