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The table below provides a guide for entering chemical elements and equations.
| Type | ... to get | ... because |
|---|---|---|
| J^+ | J+ | J has charge +1 |
| J^2+ | J2+ | J has charge +2 |
| J^2- | J2- | J has charge -2 |
| J_2 | J2 | Subscript, molecule with 2 J atoms |
| -> | Reaction arrow | |
| <-> | Equilibrium arrow | |
| 2 J^+ + Q^2- > J_2Q | 2 J+ + Q2- J2Q | A complete equation |