Carbon discovered in Prehistoric times.. Discoverer will probably never be known
1.2 x 10^10 mm^3 is equivalent to 12.0 m^3
Answer:
C-12 or C with a 12 superscripted on Upper left and 6 Subscripted on bottom left
Explanation:
Isotopic notation
Answer:
16
Explanation:
4 nitrogen (N) atoms and 12 (3×4) atoms in Hydrogen (H)
Total = 4 + 12 = 16 molecules