Biology, 29.08.2019 22:00 martinhannaheovgtjp
The element nitrogen has the atomic number 7 and an atomic mass of 14. how many neutrons does an atom of nitrogen contain?
a.
14
b.
7
c.
0
Answers: 1
Biology, 22.06.2019 03:00, mhaniyahn
What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.
Answers: 2
The element nitrogen has the atomic number 7 and an atomic mass of 14. how many neutrons does an ato...