No because they have the same number of protons not neutrons. fine, their mass nos are equal but isotopy is due to different number of neutrons.
Nitrogen has five valence electrons
Approximately 119.4 g, you take the mass on the periodic table of each element and add the numbers up
Answer:
The group given the sugar pills.
Explanation:
The control group is the ones given sugar pills because they did not get the experimental aspirin