1 molecule of NO2 included N atom and 2 oxygen atoms, so a total of 3 atoms per molecule.
1.3 x 10^22 times 3 = 3.9 x 10^22 atoms
Answer:
accretion at convergent boundaries
Explanation:
120 grams of Carbon-14 decays to 15 grams in 17,190 years.
Density = mass/volume
D = 40/80 = 0.5g
D= 0.5g