Na+H2-NaH

The reaction you've written can be summarized as follows:

Sodium (Na) reacts with hydrogen gas (H₂) to form sodium hydride (NaH).

The balanced equation for the reaction is:

\[ 2 \text{Na} + \text{H}_2 \rightarrow 2 \text{NaH} \]

In this reaction, solid sodium reacts with hydrogen gas to produce sodium hydride, which is an ionic compound composed of sodium ions (Na⁺) and hydride ions (H⁻). Sodium hydride is typically used as a strong base in organic chemistry and can also serve as a hydrogen source in various chemical reactions.

If you have any specific questions about this reaction or related topics, feel free to ask!