<span>the number of neutrons they have</span>
They are pretty much the cause and effect. The independent variable that is being changed in the experiment, so it is the cause. The dependant variable is the result of change the independant variable, so the effect.
Mass number - # of protons = #neutrons, so I would say the answer is 5
Answer:
Where are all my chemistry geniuses at??
1. 2HG + O2 = 2HGO
2. Ca + 2H2O = Ca(OH)2 + H2
3. H2 + Cl2 = 2HCl
4. Fe + S = FeS
Explanation:
Hope it helped!