Question

balance the equation: na + o₂ → na₂o
this is an example of a reaction.

Explanation:

Step1: Balance oxygen atoms

In \(O_2\) and \(Na_2O\), to balance oxygen, we need \(2O_2\) and \(4Na_2O\).
$$4Na + O_2=2Na_2O$$

Step2: Balance sodium atoms

For \(4Na_2O\), we need \(4Na\) on the left - hand side.
$$4Na+O_2 = 2Na_2O$$

Step3: Identify reaction type

Two substances (\(Na\) and \(O_2\)) combine to form one compound (\(Na_2O\)), which is a synthesis reaction.

Answer:

\(4\) \(Na+1\) \(O_2 = 2\) \(Na_2O\), synthesis reaction.