Write the answer to the following question:
Answer variants:
Belong to the same element.
Have the same mass number but different atomic numbers.
\(_{6}\textrm{C}^{13}\), \(_{6}\textrm{C}^{14}\)
Belong to different elements.
\(_{8}\textrm{O}^{17}\), \(_{9}\textrm{F}^{17}\)
Have the same atomic number but different mass numbers.
Write any two differences between isotopes and isobars with example. 
 
Isotopes:
 
i.
ii.
Example:
 
Isobars:
 
i.
 ii.
Example: