The balanced chemical equation is:
2 Zn + 2 HNO3 ---> 2 ZnNO3 (s) + H2 (g)
As ions, this is:
2 Zn2+ + 2 H1+ + 2 (NO3)1- ---> 2 ZnNO3 (solid) + H2 (gas)
There are no spectator ions, so the equation as written stands as the net ionic equation.
2 Zn + 2 HNO3 ---> 2 ZnNO3 (s) + H2 (g)
As ions, this is:
2 Zn2+ + 2 H1+ + 2 (NO3)1- ---> 2 ZnNO3 (solid) + H2 (gas)
There are no spectator ions, so the equation as written stands as the net ionic equation.